- Aardvark
- Aardwolf
- Abyssinian
- Abyssinian Guinea Pig
- Acadian Flycatcher
- Achrioptera Manga
- Ackie Monitor
- Addax
- Adelie Penguin
- Admiral Butterfly
- Aesculapian Snake
- Affenpinscher
- Afghan Hound
- African Bullfrog
- African Bush Elephant
- African Civet
- African Clawed Frog
- African Fish Eagle
- African Forest Elephant
- African Golden Cat
- African Grey Parrot
- African Jacana
- African Palm Civet
- African Penguin
- African Sugarcane Borer
- African Tree Toad
- African Wild Dog
- Africanized bee (killer bee)
- Agama Lizard
- Agkistrodon Contortrix
- Agouti
- Aidi
- Ainu
- Airedale Terrier
- Airedoodle
- Akbash
- Akita
- Akita Shepherd
- Alabai (Central Asian Shepherd)
- Alaskan Husky
- Alaskan Klee Kai
- Alaskan Malamute
- Alaskan Pollock
- Alaskan Shepherd
- Albacore Tuna
- Albatross
- Albertonectes
- Albino (Amelanistic) Corn Snake
- Aldabra Giant Tortoise
- Alligator Gar
- Allosaurus
- Allosaurus
- Alpaca
- Alpine Dachsbracke
- Alpine Goat
- Alusky
- Amano Shrimp
- Amargasaurus
- Amazon Parrot
- Amazon River Dolphin (Pink Dolphin)
- Amazon Tree Boa
- Amazonian Royal Flycatcher
- Amberjack
- Ambrosia Beetle
- American Alligator
- American Alsatian
- American Bulldog
- American Bully
- American Cocker Spaniel
- American Cockroach
- American Coonhound
- American Dog Tick
- American Eel
- American Eskimo Dog
- American Foxhound
- American Hairless Terrier
- American Leopard Hound
- American Paddlefish
- American Pit Bull Terrier
- American Pugabull
- American Pygmy Goat
- American Robin
- American Staffordshire Terrier
- American Toad
- American Water Spaniel
- American Wirehair
- Amethystine Python (Scrub Python)
- Amphicoelias Fragillimus
- Amur Leopard
- Anaconda
- Anatolian Shepherd Dog
- Anchovies
- Andrewsarchus
- Angelfish
- Angelshark
- Angled Sunbeam Caterpillar
- Anglerfish
- Angora Ferret
- Angora Goat
- Anhinga
- Anna’s Hummingbird
- Anole Lizard
- Anomalocaris
- Ant
- Antarctic Scale Worm
- Anteater
- Antelope
- Anteosaurus
- Antiguan Racer Snake
- Ape
- Apennine Wolf
- Appenzeller Dog
- Apple Head Chihuahua
- Apple Moth
- Arabian Cobra
- Arabian Wolf
- Arafura File Snake
- Arambourgiania
- Arapaima
- Archaeoindris
- Archaeopteryx
- Archaeotherium
- Archelon Turtle
- Archerfish
- Arctic Char
- Arctic Fox
- Arctic Hare
- Arctic Wolf
- Arctodus
- Arctotherium
- Argentavis Magnificens
- Argentine Black and White Tegu
- Argentine Horned Frog
- Argentinosaurus
- Arizona Bark Scorpion
- Arizona Black Rattlesnake
- Arizona Blonde Tarantula
- Arizona Coral Snake
- Armadillo
- Armadillo Lizard
- Armenian Gampr
- Armored Catfish
- Armyworm
- Arsinoitherium
- Arthropleura
- Aruba Rattlesnake
- Ashy Mining Bee
- Asian Arowana
- Asian Carp
- Asian Cockroach
- Asian Elephant
- Asian Giant Hornet
- Asian Lady Beetle
- Asian Longhorn Beetle
- Asian Palm Civet
- Asian Vine Snake
- Asian Water Monitor
- Asiatic Black Bear
- Asp
- Asp Caterpillar
- Assassin Bug
- Assassin Snail
- Atlantic Cod
- Atlantic Salmon
- Atlantic Sturgeon
- Atlas Beetle
- Atlas Moth
- Aurochs
- Aussiedoodle
- Aussiedor
- Aussiepom
- Australian Bulldog
- Australian Cattle Dog
- Australian Cockroach
- Australian Firehawk
- Australian Flathead Perch
- Australian Gecko
- Australian Kelpie Dog
- Australian Labradoodle
- Australian Mist
- Australian Retriever
- Australian Shepherd
- Australian Shepherd Mix
- Australian Terrier
- Australopithecus
- Australorp Chicken
- Avocet
- Axanthic Ball Python
- Axolotl
- Ayam Cemani
- Aye-aye
- Azawakh
- Babirusa
- Baboon
- Bactrian Camel
- Badger
- Bagle – Basset Hound Mix
- Bagworm Moth
- Bagworm Moth Caterpillar
- Baiji
- Baird’s Rat Snake
- Bald Eagle
- Baleen Whale
- Balinese
- Balkan Lynx
- Ball Python
- Bamboo Shark
- Bamboo Worms
- Banana Ball Python
- Banana Cinnamon Ball Python
- Banana Eel
- Banana Spider
- Banded Krait
- Banded Palm Civet
- Banded Water Snake
- Bandicoot
- Banjo Catfish
- Barb
- Barbet
- Barbut’s Cuckoo Bumblebee
- Barinasuchus
- Bark Beetle
- Bark Scorpion
- Barn Owl
- Barn Spider
- Barn Swallow
- Barnacle
- Barnevelder
- Barosaurus
- Barracuda
- Barramundi Fish
- Barred Owl
- Barreleye Fish (Barrel Eye)
- Barylambda
- Basenji Dog
- Basenji Mix
- Basilisk Lizard
- Basilosaurus
- Basking Shark
- Bass
- Bassador
- Basset Fauve de Bretagne
- Basset Hound
- Bassetoodle
- Bat
- Bat-Eared Fox
- Batfish
- Bavarian Mountain Hound
- Baya
- Bea-Tzu
- Beabull
- Beagador
- Beagle
- Beagle Mix
- Beagle Shepherd
- Beaglier
- Beago
- Bear
- Bearded Collie
- Bearded Dragon
- Bearded Fireworm
- Bearded Vulture
- Beaski
- Beauceron
- Beauty rat snake
- Beaver
- Bed Bugs
- Bedlington Terrier
- Bee
- Bee-Eater
- Beefalo
- Beetle
- Beewolf wasp
- Belgian Canary
- Belgian Laekenois
- Belgian Malinois
- Belgian Malinois Mix
- Belgian Sheepdog
- Belgian Shepherd
- Belgian Tervuren
- Belted Kingfisher
- Beluga Sturgeon
- Beluga Sturgeon
- Bengal Tiger
- Bergamasco
- Berger Blanc Suisse
- Berger Picard
- Bernedoodle
- Bernese Mountain Dog
- Bernese Mountain Dog Mix
- Bernese Shepherd
- Betta Fish (Siamese Fighting Fish)
- Bhutan Takin
- Bichir
- Bichon Frise
- Bichpoo
- Biewer Terrier
- Bigfin Reef Squid
- Bighorn Sheep
- Bilby
- Binturong
- Bird
- Bird Of Paradise
- Bird Snake
- Birman
- Biscuit Beetle
- Bismarck Ringed Python
- Bison
- Black And Tan Coonhound
- Black and White Warbler
- Black Aphids
- Black Bass
- Black Crappie
- Black Dragon Lizard
- Black German Shepherd
- Black Mamba
- Black Marlin
- Black Mouth Cur
- Black Pastel Ball Python
- Black Rat Snake
- Black Rhinoceros
- Black Russian Terrier
- Black Sea Bass
- Black Swallowtail
- Black Swallowtail Caterpillar
- Black Tarantula
- Black Throat Monitor
- Black Wasp
- Black Widow Spider
- Black Witch Moth
- Black-Bellied Whistling Duck
- Black-Capped Chickadee
- Black-Footed Ferret
- Black-headed python
- Black-Tailed Rattlesnake
- Blackburnian Warbler
- Blackfin Tuna
- Blacknose Shark
- Blackpoll Warbler
- Blacktip Reef Shark
- Blacktip Shark
- Bladefin Basslet
- Blanket Octopus
- Blind Snake
- Blister Beetle
- Blister Beetle
- Blobfish
- Blood Python
- Bloodhound
- Blowfly
- Blue Andalusian
- Blue Belly Lizard
- Blue Catfish
- Blue Death Feigning Beetle
- Blue Dragon Sea Slug
- Blue Eyed Pleco
- Blue German Shepherd
- Blue Gray Gnatcatcher
- Blue grosbeak
- Blue Iguana
- Blue Jay
- Blue Lacy Dog
- Blue Nose Pit Bull
- Blue Picardy Spaniel
- Blue Racer
- Blue Shark
- Blue Tanager (Blue-Grey Tanager)
- Blue Tang
- Blue Tit
- Blue Whale
- Blue-Ringed Octopus
- Bluefin Tuna
- Bluefish
- Bluegill
- Bluetick Coonhound
- Boas
- Bobcat
- Bobolink
- Boelen’s python
- Boer Goat
- Boerboel
- Boggle
- Boglen Terrier
- Boiga
- Bolivian Anaconda
- Bolognese Dog
- Bombardier Beetle
- Bombay
- Bonefish
- Bongo
- Bonito Fish
- Bonnethead Shark
- Bonobo
- Booby
- Boomslang
- Booted Bantam
- Borador
- Border Collie
- Border Collie Mix
- Border Terrier
- Bordoodle
- Borkie
- Bornean Orangutan
- Borneo Elephant
- Boskimo
- Boston Terrier
- Bottlenose Dolphin
- Bouvier Des Flandres
- Bowfin
- Bowhead Whale
- Box Jellyfish
- Box Tree Moth
- Box Turtle
- Box-Headed Blood Bee
- Boxachi
- Boxador
- Boxer Dog
- Boxer Mix
- Boxerdoodle
- Boxfish
- Boxsky
- Boxweiler
- Boykin Spaniel
- Bracco Italiano
- Brachiosaurus
- Brahma Chicken
- Brahminy Blindsnake
- Braque du Bourbonnais
- Braque Francais
- Brazilian Black Tarantula
- Brazilian Terrier
- Brazilian Treehopper
- Bredl’s Python
- Briard
- British Timber
- Brittany
- Brontosaurus
- Bronze Whaler Shark
- Bronze-winged Jacana
- Brook Trout
- Brookesia Micra
- Brown Bear
- Brown Dog Tick
- Brown Headed Cowbird
- Brown Hyena
- Brown Snake
- Brown Tree Snake
- Brown Water Snake
- Brown-banded Cockroach
- Brug
- Brussels Griffon
- Budgerigar
- Buff Orpington Chicken
- Buffalo
- Buffalo Fish
- Bull and Terrier
- Bull Shark
- Bull Terrier
- Bull Trout
- Bullboxer
- Bulldog
- Bulldog Mix
- Bullfrog
- Bullmastiff
- Bullsnake
- Bumblebee
- Burmese
- Burmese Python
- Burrowing Frog
- Burrowing Owl
- Bush Baby
- Bush Viper
- Bushmaster Snake
- Butterfly
- Butterfly Fish
- Cabbage Moth
- Cactus Moth
- Cactus Mouse
- Cactus Wren
- Caecilian
- Caiman
- Caiman Lizard
- Cairn Terrier
- California Condor
- California Kingsnake
- California Tarantula
- Camel
- Camel Cricket
- Camel Spider
- Campine Chicken
- Canaan Dog
- Canada Lynx
- Canada Warbler
- Canadian Eskimo Dog
- Canadian Horse
- Cane Corso
- Cane Rat
- Cane Spider
- Cantil
- Canvasback
- Cape Lion
- Capuchin
- Capybara
- Caracal
- Cardinal
- Caribbean Reef Shark
- Caribou
- Carolina Dog
- Carolina Parakeet
- Carp
- Carpenter Ant
- Carpet Beetle
- Carpet Python
- Carpet Viper
- Carrion Beetle
- Cascabel
- Cashmere Goat
- Cassowary
- Cat
- Cat Snake
- Cat-Eyed Snake
- Cat-Faced Spider
- Catahoula Bulldog
- Catahoula Leopard
- Catalan Sheepdog
- Caterpillar
- Catfish
- Caucasian Mountain Dog (Shepherd)
- Caucasian Shepherd
- Cava Tzu
- Cavador
- Cavalier King Charles Spaniel
- Cavapoo
- Cave Bear
- Cave Lion
- Cecropia Moth
- Cedar Waxwing
- Centipede
- Central Ranges Taipan
- Cephalaspis
- Ceratopsian
- Ceratosaurus
- Cervalces latifrons (Broad-Fronted Moose)
- Cesky Fousek
- Cesky Terrier
- Chain Pickerel
- Chameleon
- Chamois
- Chartreux
- Cheagle
- Checkered Garter Snake
- Cheetah
- Chesapeake Bay Retriever
- Chestnut-Sided Warbler
- Chi Chi
- Chickadee
- Chicken
- Chicken Snake
- Chigger
- Chihuahua
- Chihuahua Mix
- Children’s python
- Chilean Rose Tarantula
- Chilesaurus
- Chimaera
- Chimpanzee
- Chinchilla
- Chinese Alligator
- Chinese Cobra
- Chinese Crested Dog
- Chinese Geese
- Chinese Paddlefish
- Chinese Shar-Pei
- Chinese Water Deer
- Chinook
- Chinook Salmon
- Chinstrap Penguin
- Chipit
- Chipmunk
- Chipoo
- Chipping Sparrow
- Chiton
- Chiweenie
- Chorkie
- Chow Chow
- Chow Pom
- Chow Shepherd
- Christmas Beetle
- Christmas Island Red Crab
- Chromodoris Willani
- Chusky
- Cicada
- Cichlid
- Cigarette Beetle
- Cinereous Vulture
- Cinnamon Ball Python
- Cinnamon Bear
- Cinnamon Ferret
- Clark’s Grebe
- Clearnose Skate
- Click Beetle
- Clock Spider
- Clothes Moth
- Clouded Leopard
- Clownfish
- Clumber Spaniel
- Coachwhip Snake
- Coastal Carpet Python
- Coastal Taipan
- Coati
- Cobia Fish
- Cobras
- Cochin Chicken
- Cockalier
- Cockapoo
- Cockatiel
- Cockatoo
- Cocker Spaniel
- Cockle
- Cockroach
- Coconut Crab
- Codfish
- Codling Moth
- Coelacanth
- Collared Peccary
- Collett’s Snake
- Collie
- Collie Mix
- Colossal Squid
- Comb Jellyfish
- Comb-crested Jacana
- Comet Moth
- Comfort Retriever
- Common Buzzard
- Common Carp
- Common European Adder
- Common Frog
- Common Furniture Beetle
- Common Goldeneye
- Common Grackle
- Common Green Magpie
- Common House Spider
- Common Loon
- Common Raven
- Common Spotted Cuscus
- Common Toad
- Common Yellowthroat
- Compsognathus
- Cone Snail
- Conger Eel
- Congo Snake
- Conure
- Cookiecutter Shark
- Cooper’s Hawk
- Copperhead
- Coral
- Coral Snake
- Corella
- Corgidor
- Corgipoo
- Corkie
- Corman Shepherd
- Cormorant
- Corn Earworm
- Corn Rex Cat (Cornish Rex)
- Corn Snake
- Cory Catfish
- Coryphodon
- Costa’s Hummingbird
- Coton de Tulear
- Cotton-top Tamarin
- Cottonmouth
- Coues Deer
- Cougar
- Cow
- Cow Reticulated Python
- Coyote
- Crab
- Crab Spider
- Crab-Eating Fox
- Crab-Eating Macaque
- Crabeater Seal
- Crane
- Crappie Fish
- Crayfish
- Crested Gecko
- Crested Penguin
- Cricket
- Croatian Sheepdog
- Crocodile
- Crocodile Monitor
- Crocodile Shark
- Crocodylomorph
- Cross Fox
- Cross River Gorilla
- Crow
- Crucian Carp
- Cryolophosaurus
- Cuban Boa
- Cuban Cockroach
- Cubera Snapper
- Cuckoo
- Cucumber Beetle
- Curly Coated Retriever
- Curly Hair Tarantula
- Cuttlefish
- Czechoslovakian Wolfdog
- Dachsador
- Dachshund
- Dachshund Mix
- Daeodon
- Dalmadoodle
- Dalmador
- Dalmatian
- Dalmatian Mix
- Damselfish
- Dandie Dinmont Terrier
- Daniff
- Danios
- Danish Swedish Farmdog
- Dapple Dachshund
- Dark-Eyed Junco
- Dark-Eyed Junco
- Darkling Beetle
- Darwin’s fox
- Darwin’s Frog
- Daug
- De Brazza’s Monkey
- De Kay’s Brown Snake
- Death Adder
- Death’s Head Cockroach
- Deathwatch Beetle
- Decorator Crab
- Deer
- Deer Head Chihuahua
- Deer Mouse
- Deer Tick
- Deinocheirus
- Deinosuchus
- Desert Ghost Ball Python
- Desert Kingsnake
- Desert Locust
- Desert Rain Frog
- Desert Tortoise
- Desert Wolf
- Desmostylus
- Deutsche Bracke
- Devil’s Coach Horse Beetle
- Devon Rex
- Dhole
- Diamond Python
- Diamondback Moth
- Dickcissel
- Dickinsonia
- Dik-Dik
- Dilophosaurus
- Dimetrodon
- Diminutive Woodrat
- Dingo
- Dinocrocuta
- Dinofelis
- Dinopithecus
- Dinosaur Shrimp
- Dinosaurs
- Diplodocus
- Diprotodon
- Dire Wolf
- Disco Clam
- Discus
- Diving Bell Spider (Water Spider)
- Diving Duck
- Doberman Pinscher
- Dobsonfly
- Dodo
- Doedicurus
- Dog
- Dog Tick
- Dogo Argentino
- Dogue De Bordeaux
- Dolphin
- Donkey
- Dorgi
- Dorkie
- Dorking Chicken
- Dormouse
- Double Doodle
- Douc
- Downy Woodpecker
- Doxiepoo
- Doxle
- Draco Volans Lizard
- Dragon Eel
- Dragon Snake (Javan Tubercle Snake, Javan Mudsnake)
- Dragonfish
- Dragonfly
- Dreadnoughtus
- Drever
- Dromornis stirtoni
- Drum Fish
- Dubia Cockroach
- Duck
- Dugong
- Dumeril’s Boa
- Dung Beetle
- Dungeness Crab
- Dunker
- Dunkleosteus
- Dunnock
- Dusky Dolphin
- Dusky Shark
- Dutch Rabbit
- Dutch Shepherd
- Dwarf Boa
- Dwarf Crocodile
- Dwarf Gourami
- Dwarf Hamster
- Eagle
- Eagle Ray
- Eared Grebe
- Earless Monitor Lizard
- Earthworm
- Earwig
- East Siberian Laika
- Eastern Barred Bandicoot
- Eastern Bluebird
- Eastern Box Turtle
- Eastern Brown Snake
- Eastern Chipmunk
- Eastern Coral Snake
- Eastern Cottontail
- Eastern Diamondback Rattlesnake
- Eastern Dobsonfly
- Eastern Fence Lizard
- Eastern Glass Lizard
- Eastern Gorilla
- Eastern Gray Squirrel
- Eastern Green Mamba
- Eastern Hognose Snake
- Eastern Indigo Snake
- Eastern Kingbird
- Eastern Lowland Gorilla
- Eastern Meadowlark
- Eastern Phoebe
- Eastern Racer
- Eastern Rat Snake
- Eastern Tiger Snake
- Eastern Turkey (Wild Turkey)
- Eastern Woodrat
- Echidna
- Eclectus Parrot
- Edible Frog
- Eel
- Eel catfish
- Eelpout
- Egret
- Egyptian Cobra (Egyptian Asp)
- Egyptian Goose
- Egyptian Mau
- Egyptian Tortoise
- Egyptian Vulture
- Eider
- Eland
- Elasmosaurus
- Elasmotherium
- Electric Catfish
- Electric Eel
- Elegant Tern
- Elephant
- Elephant Beetle
- Elephant Bird
- Elephant Fish
- Elephant Seal
- Elephant Shrew
- Elf Owl
- Elk
- Ember Tetra
- Embolotherium
- Emerald Toucanet
- Emerald Tree Boa
- Emerald Tree Monitor
- Emperor Angelfish
- Emperor Goose
- Emperor Penguin
- Emperor Tamarin
- Emu
- Enchi Ball Python
- English Bulldog
- English Cocker Spaniel
- English Cream Golden Retriever
- English Crested Guinea Pig
- English Foxhound
- English Longhorn Cattle
- English Pointer
- English Setter
- English Shepherd
- English Springer Spaniel
- English Toy Terrier
- Entlebucher Mountain Dog
- Epagneul Pont Audemer
- Epicyon haydeni
- Epidexipteryx
- Equatorial Spitting Cobra
- Equus giganteus
- Ermine
- Eryops
- Escolar
- Eskimo Dog
- Eskipoo
- Estrela Mountain Dog
- Euoplocephalus
- Eurasian Beaver
- Eurasian Bullfinch
- Eurasian Collared Dove
- Eurasian Eagle-owl
- Eurasian Jay
- Eurasian Lynx
- Eurasian Nuthatch
- Eurasian Sparrowhawk
- Eurasian Wolf
- Eurasier
- European Bee-Eater
- European Corn Borer
- European Goldfinch
- European Polecat
- European Robin
- European Starling
- European Wildcat
- Eurypterus
- Evening Bat
- Evening Grosbeak
- Executioner Wasp
- Eyelash Viper
- Fainting Goat
- Fairy-Wren
- Falcon
- Fallow deer
- False Cobra
- False coral snake
- False Killer Whale
- False Water Cobra
- False Widow Spider
- Fancy Mouse
- Fangtooth
- Feather Star
- Feist
- Fennec Fox
- Fer-de-lance Snake
- Ferret
- Ferruginous Hawk
- Fiddler Crab
- Field Cuckoo Bumblebee
- Field Spaniel
- Fierce Snake
- Figeater Beetle
- Fila Brasileiro
- Fin Whale
- Finch
- Finnish Lapphund
- Finnish Spitz
- Fire Ball Python
- Fire Eel
- Fire Salamander
- Fire-Bellied Toad
- Firefly
- Firefly Ball Python
- Fish
- Fisher
- Fishing Cat
- Fishing Spiders
- Flamingo
- Flat-Coated Retriever
- Flathead Catfish
- Flea
- Flea Beetle
- Fleckvieh Cattle
- Florida Gar
- Florida Mouse
- Florida Panther
- Florida Woods Cockroach
- Flounder
- Flounder Fish
- Flour Beetle
- Flowerhorn Fish
- Fluke Fish (summer flounder)
- Fly
- Flycatcher
- Flying Fish
- Flying Lemur
- Flying Snake
- Flying Squirrel
- Football Fish
- Forest Cobra
- Forest Cuckoo Bumblebee
- Formosan Mountain Dog
- Fossa
- Fox
- Fox Snakes
- Fox Squirrel
- Fox Terrier
- Freeway Ball Python
- French Bulldog
- French Bulldog Mix
- French Lop
- Frenchton
- Frengle
- Freshwater Crocodile
- Freshwater Drum
- Freshwater Eel
- Freshwater Jellyfish
- Freshwater Sunfish
- Frigatebird
- Frilled Lizard
- Frilled Shark
- Fritillary Butterfly
- Frizzle Chicken
- Frog
- Frogfish
- Frug
- Fruit Bat
- Fruit Fly
- Fulvous Whistling Duck
- Fur Seal
- Furrow Bee
- Gaboon Viper
- Gadwall
- Galapagos Penguin
- Galapagos Shark
- Galapagos Tortoise
- Gar
- Garden Eel
- Garden Spider
- Gargoyle Gecko
- Garter Snake
- Gastornis
- Gazelle
- Gecko
- Genet
- Gentoo Penguin
- Geoffroys Tamarin
- Gerberian Shepsky
- Gerbil
- German Cockroach
- German Longhaired Pointer
- German Pinscher
- German Shepherd Guide
- German Shepherd Mix
- German Sheppit
- German Sheprador
- German Shorthaired Pointer
- German Spitz
- German Wirehaired Pointer
- Gharial
- Ghost Catfish
- Ghost Crab
- Giant African Land Snail
- Giant Armadillo
- Giant Beaver
- Giant Clam
- Giant Desert Centipede
- Giant Golden Mole
- Giant House Spider
- Giant Isopod
- Giant Leopard Moth
- Giant Panda Bear
- Giant Salamander
- Giant Schnauzer
- Giant Schnoodle
- Giant Siphonophore
- Giant Trevally
- Giant Weta
- Giant Wood Moth
- Gibbon
- Gigantopithecus
- Gila Monster
- Giraffe
- Glass Frog
- Glass Lizard
- Glechon
- Glen Of Imaal Terrier
- Glowworm
- Gnat
- Goat
- Goberian
- Goblin Shark
- Goby Fish
- Goldador
- Goldcrest
- Golden Dox
- Golden Eagle
- Golden Irish
- Golden Jackal
- Golden Lancehead
- Golden Lion Tamarin
- Golden Masked Owl
- Golden Mole
- Golden Newfie
- Golden Oriole
- Golden Pyrenees
- Golden Retriever
- Golden Retriever Mix
- Golden Saint
- Golden Shepherd
- Golden Shiner
- Golden Tortoise Beetle
- Golden Trout
- Golden-Crowned Flying Fox
- Golden-Crowned Kinglet
- Goldendoodle
- Goldfish
- Goliath Beetle
- Goliath Frog
- Goliath Grouper
- Goliath Tigerfish
- Gollie
- Gomphotherium
- Goonch Catfish
- Goose
- Gooty Sapphire Tarantula
- Gopher
- Gopher Snake
- Gopher Tortoise
- Goral
- Gordon Setter
- Gorgosaurus
- Gorilla
- Goshawk
- Gouldian Finch
- Gourami
- Grapevine Beetle
- Grass Carp
- Grass Snake
- Grass Spider
- Grasshopper
- Grasshopper Mouse
- Gray Catbird
- Gray Fox
- Gray Tree Frog
- Great Blue Heron
- Great Crested Flycatcher
- Great Dane
- Great Dane Mix
- Great Danoodle
- Great Egret
- Great Hammerhead Shark
- Great Kiskadee
- Great Plains Rat Snake
- Great Potoo Bird
- Great Pyrenees
- Great Pyrenees Mix
- Great White Shark
- Greater Swiss Mountain Dog
- Grebe
- Green Anaconda
- Green Anole
- Green Aphids
- Green Bee-Eater
- Green Bottle Blue Tarantula
- Green Frog
- Green Heron
- Green June Beetle
- Green Mamba
- Green Rat Snake
- Green Snake
- Green Sunfish
- Green Tree Frog
- Green Tree Python
- Greenland Dog
- Greenland Shark
- Grey Heron
- Grey Mouse Lemur
- Grey Reef Shark
- Grey Seal
- Greyhound
- Griffon Vulture
- Griffonshire
- Grizzly Bear
- Groenendael
- Ground Snake
- Ground Squirrel
- Groundhog (Woodchuck)
- Groundhog Tick
- Grouper
- Grouse
- Grunion
- Guadalupe Bass
- Guinea Fowl
- Guinea Pig
- Gulper Catfish
- Gulper Eel
- Guppy
- Gypsy Cuckoo Bumblebee
- Gypsy Moth
- Gypsy Moth Caterpillar
- Haast’s Eagle
- Habu Snake
- Haddock
- Hagfish
- Haikouichthys
- Hainosaurus
- Hairy Frogfish
- Hairy Woodpecker
- Hairy-footed Flower Bee
- Halibut
- Hallucigenia
- Hamburg Chicken
- Hammerhead Shark
- Hammerhead Worm
- Hammond’s flycatcher
- Hamster
- Harbor Porpoise
- Harbor Seal
- Hardhead Catfish
- Hare
- Harlequin Coral Snake
- Harlequin Rabbit
- Harp Seal
- Harpy Eagle
- Harrier
- Harris Hawk
- Hartebeest
- Hatzegopteryx
- Havamalt
- Havanese
- Havapoo
- Havashire
- Havashu
- Hawaiian Crow
- Hawaiian Goose (Nene)
- Hawaiian Monk Seal
- Hawk
- Hawk Moth Caterpillar
- Hedgehog
- Helicoprion
- Hellbender
- Hepatic Tanager (Red Tanager)
- Hercules Beetle
- Hercules Moth
- Hermit Crab
- Heron
- Herrerasaurus
- Herring
- Herring Gull
- Highland Cattle
- Himalayan
- Hippopotamus
- Hippopotamus gorgops
- Hoary Bat
- Hobo Spider
- Hogfish
- Hognose snake
- Hokkaido
- Holy Cross Frog
- Honduran White Bat
- Honey Badger
- Honey Bee
- Honey Buzzard
- Hooded Oriole
- Hooded Seal
- Hook-Nosed Sea Snake
- Hoopoe
- Horgi
- Horn Shark
- Hornbill
- Horned Adder
- Horned Beetle
- Horned Grebe
- Horned Lizard
- Horned Viper
- Hornet
- Horse
- Horse Mackerel
- Horsefly
- Horseshoe Crab
- Houdan Chicken
- House Finch
- House Sparrow (English Sparrow)
- House wren
- Housefly
- Hovasaurus
- Hovawart
- Howler Monkey
- Human
- Humboldt Penguin
- Humboldt Squid
- Hummingbird
- Hummingbird Hawk-Moth
- Humpback Whale
- Huntaway
- Huntsman Spider
- Huskador
- Huskita
- Husky
- Husky Jack
- Huskydoodle
- Hyacinth Macaw
- Hyaenodon
- Hyena
- Ibex
- Ibis
- Ibizan Hound
- Icadyptes
- Icelandic Sheepdog
- Ichthyosaurus
- Ichthyostega
- Iguana
- Iguanodon
- IMG Boa Constrictor
- Immortal Jellyfish
- Impala
- Imperial Moth
- Inchworm
- Indian Cobra
- Indian Elephant
- Indian Giant Squirrel
- Indian Palm Squirrel
- Indian python
- Indian Rhinoceros
- Indian Star Tortoise
- Indianmeal Moth
- Indigo Snake
- Indochinese Tiger
- Indri
- Inland Taipan
- Insect
- Insects
- Io Moth
- Irish Doodle
- Irish Elk
- Irish Setter
- Irish Terrier
- Irish Water Spaniel
- Irish WolfHound
- Irukandji Jellyfish
- Italian Greyhound
- Ivory-billed woodpecker
- Ivy Bee
- Jabiru
- Jacana
- Jack Crevalle
- Jack Russells
- Jack-Chi
- Jackabee
- Jackal
- Jackdaw
- Jackrabbit
- Jackson’s Chameleon
- Jagdterrier
- Jaguar
- Jaguarundi Cat
- Jamaican Boa
- Jamaican Iguana
- Japanese Bantam Chicken
- Japanese Beetle
- Japanese Chin
- Japanese Macaque
- Japanese rat snake
- Japanese Spitz
- Japanese Squirrel
- Japanese Terrier
- Javan Leopard
- Javan Rhinoceros
- Javanese
- Jellyfish
- Jerboa
- Jewel Beetle
- John Dory
- Jonah Crab
- Joro Spider
- Josephoartigasia monesi
- Jumping Spider
- Jungle Carpet Python
- Junglefowl
- Kagu
- Kai Ken
- Kakapo
- Kaluga Sturgeon
- Kamehameha Butterfly
- Kangal Shepherd Dog
- Kangaroo
- Kangaroo Mouse
- Kangaroo Rat
- Katydid
- Kaua’i ‘Ō‘ō
- Kea
- Keagle
- Keel-Billed Toucan
- Keelback
- Keeshond
- Kelp Greenling
- Kentucky Warbler
- Kenyan Sand Boa
- Kermode Bear (Spirit Bear)
- Kerry Blue Terrier
- Kestrel
- Keta Salmon
- Key Deer
- Keyhole Cichlid
- Khao Manee
- Khapra Beetle
- Kiang
- Kiko Goat
- Killdeer
- Killer Clown Ball Python
- Killer Whale
- Killifish
- Kinabalu Giant Red Leech
- Kinder Goat
- King Cobra
- King Crab
- King Eider
- King Mackerel
- King Penguin
- King Quail
- King Rat Snake
- King Salmon
- King Shepherd
- King Snake
- King Vulture
- Kingfisher
- Kingklip
- Kinkajou
- Kirtland’s Snake
- Kishu
- Kissing Bugs
- Kissing Gourami
- Kit Fox
- Kitefin Shark
- Kiwi
- Klipspringer
- Knifefish
- Knight Anole
- Koala
- Kodiak Bear
- Kodkod
- Koi Fish
- Kokanee Salmon
- Komodo Dragon
- Komondor
- Kooikerhondje
- Koolie
- Korean Jindo
- Kori Bustard
- Kouprey
- Kowari
- Krait
- Krill
- Kudu
- Kudzu Bug
- Kuvasz
- Labahoula
- Labmaraner
- Labout’s Fairy Wrasse
- Labrabull
- Labradane
- Labradoodle
- Labrador Retriever
- Labraheeler
- Labrottie
- Lace Bug
- Lace Monitor
- Ladybug
- Ladyfish
- Lagotto Romagnolo
- Lake Sturgeon
- Lake Trout
- Lakeland Terrier
- LaMancha Goat
- Lamprey
- Lancashire Heeler
- Lancetfish
- Landseer Newfoundland
- Lappet-faced Vulture
- Lapponian Herder
- Larder Beetle
- Large Munsterlander
- Largemouth Bass
- Laughing Kookaburra
- Lavender Albino Ball Python
- Lawnmower Blenny
- Lazarus Lizard
- Leaf-Tailed Gecko
- Leafcutter Ant
- Leafcutter Bee
- Least Flycatcher
- Leatherback Sea Turtle
- Leech
- Leedsichthys
- Leghorn Chicken
- Leichhardt’s Grasshopper
- Lemming
- Lemon Blast Ball Python
- Lemon Cuckoo Bumblebee
- Lemon Shark
- Lemur
- Leonberger
- Leopard
- Leopard Cat
- Leopard Frog
- Leopard Gecko
- Leopard Lizard
- Leopard Seal
- Leopard Shark
- Leopard Tortoise
- Leptocephalus
- Lesser Jacana
- Lesser Scaup
- Lhasa Apso
- Lhasapoo
- Liger
- Limpet
- Lineback Cattle
- Linnet
- Lion
- Lion’s Mane Jellyfish
- Lionfish
- Liopleurodon
- Liopleurodon
- Lipstick Albino Boa
- Little Brown Bat
- Little Penguin
- Livyatan
- Lizard
- Lizardfish
- Llama
- Loach
- Lobster
- Locust
- Loggerhead Shrike
- Lone Star Tick
- Long-Eared Owl
- Long-Haired Rottweiler
- Long-Tailed Tit
- Long-Winged Kite Spider
- Longfin Mako Shark
- Longnose Gar
- Lorikeet
- Loris
- Lowchen
- Lumpfish
- Luna Moth
- Luna Moth Caterpillar
- Lungfish
- Lurcher
- Lykoi Cat
- Lynx
- Lyrebird
- Lystrosaurus
- Macaque
- Macaroni Penguin
- Macaw
- MacGillivray’s Warbler
- Machaeroides
- Mackenzie Valley Wolf
- Macrauchenia
- Madagascar Hissing Cockroach
- Madagascar Jacana
- Madagascar Tree Boa
- Madora Moth
- Magellanic Penguin
- Maggot
- Magnolia Warbler
- Magpie
- Magyarosaurus
- Mahi Mahi (Dolphin Fish)
- Maiasaura
- Maine Coon
- Mal Shi
- Malayan Civet
- Malayan Krait
- Malayan Tiger
- Malchi
- Mallard
- Malteagle
- Maltese
- Maltese Mix
- Maltese Shih Tzu
- Maltipom
- Maltipoo
- Mamba
- Mamushi Snake
- Man of War Jellyfish
- Manatee
- Manchester Terrier
- Mandarin Rat Snake
- Mandrill
- Maned Wolf
- Mangrove Snake
- Mangrove Snapper
- Manta Ray
- Mantella Frog
- Marabou Stork
- Marans Chicken
- Marble Fox
- Maremma Sheepdog
- Margay
- Marine Iguana
- Marine Toad
- Markhor
- Marmoset
- Marmot
- Marsh Frog
- Marsican Brown Bear
- Masiakasaurus
- Masked Angelfish
- Masked Palm Civet
- Mason Bee
- Massasauga
- Mastador
- Mastiff
- Mastiff Mix
- Mauzer
- May Beetle
- Mayan Cichlid
- Mayfly
- Meagle
- Mealworm Beetle
- Mealybug
- Meerkat
- Megalania
- Megalochelys
- Megalodon
- Megamouth Shark
- Meganeura
- Megatherium
- Meiolania
- Mekong Giant Catfish
- Merganser
- Mexican Alligator Lizard
- Mexican Black Kingsnake
- Mexican Eagle (Northern crested caracara)
- Mexican Fireleg Tarantula
- Mexican Free-Tailed Bat
- Mexican Mole Lizard
- Microraptor
- Midget Faded Rattlesnake
- Miki
- Milk Snake
- Milkfish
- Milkweed aphids
- Millipede
- Mini Labradoodle
- Mini Lop
- Miniature Bull Terrier
- Miniature Husky
- Miniature Pinscher
- Mink
- Minke Whale
- Mississippi Kite
- Moccasin Snake
- Mockingbird
- Modern Game Chicken
- Mojarra
- Mojave Ball Python
- Mojave Rattlesnake
- Mola mola (Ocean Sunfish)
- Mole
- Mole Crab (Sand Flea)
- Mole Cricket
- Mole Snake
- Mollusk
- Molly
- Monarch Butterfly
- Mongoose
- Mongrel
- Monitor Lizard
- Monkey
- Monkfish
- Monocled Cobra
- Monte Iberia Eleuth
- Moon Jellyfish
- Moonglow Boa
- Moorhen
- Moose
- Moray Eel
- Morkie
- Morpho Butterfly
- Mosasaurus
- Moscow Watchdog
- Mosquito
- Moth
- Mountain Beaver
- Mountain Bluebird
- Mountain Cur
- Mountain Feist
- Mountain Gorilla
- Mountain Lion
- Mourning Dove
- Mourning Warbler
- Mouse
- Mouse Spider
- Mouse-Deer (Chevrotain)
- Mozambique Spitting Cobra
- Mud Snake
- Mudi
- Mudpuppy
- Mudskipper
- Mule
- Mule Deer
- Mulga Snake
- Mullet Fish
- Muntjac
- Muscovy Duck
- Musk Deer
- Muskellunge (Muskie)
- Muskox
- Muskrat
- Mussurana Snake
- Muttaburrasaurus
- Muttaburrasaurus
- Myna Bird
- Nabarlek
- Naegleria
- Naked Mole Rat
- Narwhal
- Natterjack
- Nautilus
- Neanderthal
- Neapolitan Mastiff
- Nebelung
- Needlefish
- Nelore Cattle
- Neon Tetra
- Neptune Grouper
- Netherland Dwarf Rabbit
- New Hampshire Red Chicken
- Newfoundland
- Newfypoo
- Newt
- Nguni Cattle
- Nicobar pigeon
- Nigerian Goat
- Night Adder
- Night Heron
- Night Snake
- Nightingale
- Nightjar
- Nile Crocodile
- Nile Perch
- Nilgai
- No See Ums
- Norfolk Terrier
- Norrbottenspets
- North American Black Bear
- Northern Alligator Lizard
- Northern Bobwhite
- Northern Cardinal
- Northern Flicker
- Northern Fur Seal
- Northern Harrier
- Northern Inuit Dog
- Northern Jacana
- Northern Parula
- Northern Pintail
- Northern Potoo
- Northern Screamer
- Northern Water Snake
- Norway Rat
- Norwegian Buhund
- Norwegian Elkhound
- Norwegian Forest
- Norwegian Lundehund
- Norwich Terrier
- Nose-Horned Viper
- Nova Scotia Duck Tolling Retriever
- Nubian Goat
- Nudibranch
- Numbat
- Nuralagus
- Nurse Shark
- Nut Weevil
- Nuthatch
- Nutria
- Nyala
- Oak Toad
- Oarfish
- Ocean Perch
- Ocean Pout
- Ocean Whitefish
- Oceanic Whitetip Shark
- Ocellated Turkey
- Ocelot
- Octopus
- Oenpelli python
- Oilfish
- Okapi
- Old English Sheepdog
- Old House Borer
- Oleander Hawk Moth
- Olingo
- Olive Baboon
- Olive python
- Olive Sea Snake
- Olm
- Olympic Marmot
- Onagadori Chicken
- Onager
- Opabinia
- Opah
- Opaleye (Rudderfish)
- Opossum
- Oranda Goldfish
- Orange Baboon Tarantula
- Orange Dream Ball Python
- Orange Roughy
- Orange Spider
- Orange Tanager (Orange-Headed Tanager)
- Orange-Crowned Warbler
- Orangutan
- Orb Weaver
- Orchard Oriole
- Orchid Dottyback
- Oregon Spotted Frog
- Ori-Pei
- Oribi
- Oriental Cockroach
- Oriental Dwarf Kingfisher
- Orinoco Crocodile
- Ornate Bichir
- Ornate Black-Tailed Rattlesnake
- Ornate Box Turtle
- Ornithocheirus
- Ornithomimus
- Ortolan Bunting
- Oscar Fish
- Osprey
- Ostracod
- Ostrich
- Otter
- Otterhound
- Ovenbird
- Oviraptor
- Owl
- Owl Butterfly
- Owlfly (Ascalaphidae)
- Ox
- Oxpecker
- Oyster
- Oyster Toadfish
- Ozark Bass
- Pachycephalosaurus
- Pacific Coast Tick
- Pacific Sleeper Shark
- Pacific Spaghetti Eel
- Paddlefish
- Pademelon
- Painted Bunting
- Painted Turtle
- Palaeoloxodon namadicus
- Palaeophis
- Paleoparadoxia
- Palm Rat
- Palo Verde Beetle
- Panda Pied Ball Python
- Pangolin
- Pantaloon Bee
- Panther
- Panthera atrox (American Lion)
- Papillon
- Papillon Mix
- Paradise Flying Snake
- Parakeet
- Parasaurolophus
- Parrot
- Parrot Snake
- Parrotfish
- Parrotlet
- Parson Russell Terrier
- Parti Schnauzer
- Partridge
- Patagonian Mara
- Patagotitan
- Patas Monkey
- Patterdale Terrier
- Pea Puffer
- Peacock
- Peacock Bass
- Peacock Butterfly
- Peacock Spider
- Peagle
- Peekapoo
- Pekingese
- Pelagornis
- Pelagornithidae
- Pelican
- Pelycosaurs
- Pembroke Welsh Corgi
- Penguin
- Pennsylvania Wood Cockroach
- Peppered Moth
- Peppermint Angelfish
- Perch Fish
- Père David’s Deer
- Peregrine Falcon
- Peringuey’s Adder
- Perro De Presa Canario
- Persian
- Peruvian Guinea Pig
- Peruvian Inca Orchid
- Pesquet’s Parrot (Dracula Parrot)
- Petit Basset Griffon Vendéen
- Petite Goldendoodle
- Pharaoh Hound
- Pheasant
- Pheasant-tailed Jacana
- Philippine Cobra
- Phoenix Chicken
- Phorusrhacos
- Phytosaurs
- Picardy Spaniel
- Pictus Catfish
- Piebald Dachshund
- Pied Ball Python
- Pied Tamarin
- Pied-Billed Grebe
- Pig
- Pig-Nosed Turtle
- Pigeon
- Pika
- Pike Fish
- Pileated Woodpecker
- Pinacate Beetle
- Pine Beetle
- Pine Marten
- Pine Siskin
- Pine Snake
- Pine Snake
- Pinfish
- Pink Bollworm
- Pink Fairy Armadillo
- Pink Salmon
- Pink Toed Tarantula
- Pink-Necked Green Pigeon
- Pipe Snake
- Pipefish
- Piranha
- Pit Bull
- Pit Viper
- Pitador
- Pitsky
- Plains Hognose Snake
- Platinum Arowana
- Platybelodon
- Platypus
- Plesiosaur
- Pliosaur
- Plott Hound Mix
- Plott Hounds
- Plymouth Rock Chicken
- Pocket Beagle
- Pocket Pitbull
- Podenco Canario
- Pointer
- Pointer Mix
- Poison Dart Frog
- Polacanthus
- Polar Bear
- Polecat
- Polish Chicken
- Polish Lowland Sheepdog
- Polish Tatra Sheepdog
- Polka Dot Stingray
- Pollock Fish
- Polyphemus Moth
- Pomapoo
- Pomchi
- Pomeagle
- Pomeranian
- Pomeranian Mix
- Pompano Fish
- Pomsky
- Pond Skater
- Poochon
- Poodle
- Poogle
- Pool Frog
- Porbeagle Shark
- Porcupine
- Porcupinefish
- Portuguese Podengo
- Possum
- Potato Beetle
- Potoo
- Potoroo
- Powderpost Beetle
- Prairie Chicken
- Prairie Dog
- Prairie Rattlesnake
- Prawn
- Praying Mantis
- Proboscis Monkey
- Procoptodon
- Pronghorn
- Psittacosaurus
- Psittacosaurus
- Pteranodon
- Pterodactyl
- Pudelpointer
- Puertasaurus
- Puff Adder
- Pufferfish
- Puffin
- Pug
- Pug Mix
- Pugapoo
- Puggle
- Pugshire
- Puli
- Puma
- Pumi
- Pumpkin Patch Tarantula
- Purple Emperor Butterfly
- Purple Finch
- Purple Gallinule
- Purple Tarantula
- Purussaurus
- Puss Caterpillar
- Puss Moth
- Pygmy Hippopotamus
- Pygmy Marmoset (Finger Monkey)
- Pygmy python
- Pygmy Rattlesnake
- Pygmy Shark
- Pygora Goat
- Pyjama Shark
- Pyrador
- Pyredoodle
- Pyrenean Mastiff
- Pyrenean Shepherd
- Pyrosome
- Python
- Quagga
- Quahog Clam
- Quail
- Queen Snake
- Quetzal
- Quetzalcoatlus northropi
- Quokka
- Quoll
- Animals that start with R
- Rabbit
- Raccoon
- Raccoon Dog
- Racer Snake
- Radiated Tortoise
- Ragamuffin
- Ragdoll
- Raggle
- Rainbow Boa
- Rainbow Grasshopper (Dactylotum bicolor)
- Rainbow Kribs (Kribensis)
- Rainbow Shark
- Rat
- Rat Snakes
- Rat Terrier
- Rattlesnake
- Red Ackie Monitor
- Red Aphids
- Red Deer
- Red Diamondback Rattlesnake
- Red Drum Fish
- Red Finch
- Red Fox
- Red Kite
- Red Knee Tarantula
- Red Nose Pit Bull
- Red Panda
- Red Paper Wasp
- Red Racer Snake
- Red Spitting Cobra
- Red Squirrel
- Red Star Chicken
- Red Tail Boa (common boa)
- Red Wolf
- Red-Bellied Black Snake
- Red-Bellied Woodpecker
- Red-Billed Quelea Bird
- Red-Eared Slider
- Red-Eyed Tree Frog
- Red-Footed Tortoise
- Red-handed Tamarin
- Red-Headed Vulture
- Red-Lipped Batfish
- Red-Shouldered Hawk
- Red-Tailed Cuckoo Bumblebee
- Red-winged blackbird
- Redback Spider
- Redbone Coonhound
- Redcap Chicken
- Redhump Eartheater
- Redstart
- Redtail Catfish
- Reef Shark
- Regal Jumping Spider
- Reindeer
- Repenomamus
- Reticulated python
- Rex Rabbit
- Rhamphosuchus
- Rhea
- Rhesus Macaque
- Rhino Beetle
- Rhino Viper
- Rhinoceros
- Rhode Island Red Chicken
- Rhodesian Ridgeback
- Rhombic Egg-Eater Snake
- Ribbon Eel
- Ribbon Snake
- Rim Rock Crowned Snake
- Ring-billed Gull
- Ringed Kingfisher
- Rinkhals Snake
- River Otter
- River Turtle
- Roadrunner
- Robber Flies
- Robin
- Rock Bass
- Rock Crab
- Rock Hyrax
- Rock Python
- Rockfish
- Rockhopper Penguin
- Rodents
- Roe Deer
- Rooster
- Root Aphids
- Rose-Breasted Grosbeak
- Roseate Spoonbill
- Rosy Boa
- Rotterman
- Rottle
- Rottsky
- Rottweiler
- Rottweiler Mix
- Rough Earth Snake
- Rough Green Snake
- Rough-Legged Hawk (Rough-Legged Buzzard)
- Rove Beetle
- Royal Penguin
- Rubber Boa
- Ruby-Crowned Kinglet
- Ruby-Throated Hummingbird
- Ruddy Duck
- Ruddy Turnstone
- Rufous Hummingbird
- Russel’s Viper
- Russell Terrier
- Russian Bear Dog
- Russian Blue
- Russian Tortoise
- Saanen Goat
- Saarloos Wolfdog
- Saber-Toothed Tiger
- Sable
- Sable Black German Shepherd
- Sable Ferret
- Sable German Shepherd
- Saddleback Caterpillar
- Saiga
- Sailfish
- Saint Berdoodle
- Saint Bernard
- Saint Shepherd
- Salamander
- Salmon
- Salmon Shark
- Saluki
- Sambar
- Samoyed
- San Francisco Garter Snake
- Sand Cat
- Sand Crab
- Sand Dollar
- Sand Lizard
- Sand Tiger Shark
- Sand Viper
- Sandhill Crane
- Sandpiper
- Sandworm
- Saola
- Sapsali
- Sarcosuchus
- Sardines
- Sarkastodon
- Sarplaninac
- Sarus Crane
- Satanic Leaf-Tailed Gecko
- Saturniidae Moth
- Sauropoda
- Sauropoda
- Savanna Goat
- Savannah Monitor
- Savannah Sparrow
- Savu Python
- Saw-scaled Viper
- Sawfish
- Scale-Crested Pygmy Tyrant
- Scaleless Ball Python
- Scallops
- Scarab Beetle
- Scarlet Kingsnake
- Scarlet Macaw
- Scarlet Tanager
- Schapendoes
- Schipperke
- Schneagle
- Schnoodle
- Scimitar-horned Oryx
- scissor tailed flycatcher
- Scorpion
- Scorpion Fish
- Scotch Collie
- Scottish Deerhound
- Scottish Fold Cat
- Scottish Terrier
- Scrotum Frog
- Sculpin
- Scutosaurus
- Sea Anemone
- Sea Bass
- Sea Dragon
- Sea Eagle
- Sea Lion
- Sea Otter
- Sea Roach
- Sea Slug
- Sea Snake
- Sea Spider
- Sea Squirt
- Sea Trout
- Sea Turtle
- Sea Urchin
- Seagull
- Seahorse
- Seal
- Sealyham Terrier
- Sedge Warbler
- Sehuencas Water Frog
- Sei Whale
- Senegal Parrot
- Senepol Cattle
- Sequined Spider
- Serval
- Seymouria
- Shantungosaurus
- Shark
- Sharp-Shinned Hawk
- Sharp-Tailed Snake
- Shastasaurus
- Sheep
- Sheepadoodle
- Sheepshead Fish
- Shepadoodle
- Shepkita
- Shepweiler
- Shetland Sheepdog
- Shiba Inu
- Shiba Inu Mix
- Shichi
- Shih Poo
- Shih Tzu
- Shih Tzu Mix
- Shikoku
- Shiloh Shepherd
- Shiranian
- Shoebill Stork
- Shollie
- Short-Eared Owl
- Short-Faced Bear
- Shortfin Mako Shark
- Shrew
- Shrimp
- Siamese
- Siberian
- Siberian Husky
- Siberian Ibex
- Siberian Retriever
- Siberian Tiger
- Siberpoo
- Sichuan Takin (Tibetan Takin)
- Sidewinder
- Sika Deer
- Silken Windhound
- Silkie Chicken
- Silky Shark
- Silky Terrier
- Silver Dollar
- Silver Labrador
- Simbakubwa
- Sinosauropteryx
- Sivatherium
- Six-Eyed Sand Spiders
- Sixgill shark
- Skate Fish
- Skeleton Tarantula
- Skink Lizard
- Skipjack Tuna
- Skua
- Skunk
- Skye Terrier
- Sleeper Shark
- Sloth
- Slovak Cuvac
- Slow Worm
- Slug
- Smallmouth Bass
- Smilosuchus
- Smokybrown Cockroach
- Smooth Earth Snake
- Smooth Fox Terrier
- Smooth Green Snake
- Smooth Hammerhead Shark
- Smooth Snake
- Snail
- Snailfish
- Snake
- Snapping Turtle
- Snook Fish
- Snorkie
- Snouted Cobra
- Snow Bunting
- Snow Crab
- Snow Goose
- Snow Leopard
- Snowberry Clearwing Moth
- Snowflake Eel
- Snowshoe
- Snowshoe Hare
- Snowy Owl
- Sockeye Salmon
- Soldier Beetle
- Somali
- Song Sparrow
- Song Thrush
- South China Tiger
- Southeastern Blueberry Bee
- Southern Black Racer
- Southern Flannel Moth
- Southern Hognose Snake
- Southern House Spider
- Southern Pacific Rattlesnake
- Spadefoot Toad
- Spanador
- Spanish Goat
- Spanish Mackerel
- Spanish Mastiff
- Spanish Water Dog
- Sparrow
- Sparrowhawk
- Speckled Kingsnake
- Speckled Trout
- Spectacled Bear
- Sperm Whale
- Sphynx
- Spider
- Spider Ball Python
- Spider Beetle
- Spider Monkey
- Spider Wasp
- Spider-Tailed Horned Viper
- Spinner Shark
- Spinone Italiano
- Spinosaurus
- Spiny bush viper
- Spiny Dogfish
- Spiny Hill Turtle
- Spitting Cobra
- Spixs Macaw
- Sponge
- Spongy Moth
- Spongy Moth
- Spotted Bass
- Spotted Gar
- Spotted Garden Eel
- Spotted Lanternfly
- Spotted python
- Spotted Skunk
- Springador
- Springbok
- Springerdoodle
- Squash Bee
- Squash Beetle
- Squid
- Squirrel
- Squirrel Monkey
- Squirrelfish
- Sri Lankan Elephant
- Stabyhoun
- Staffordshire Bull Terrier
- Stag Beetle
- Standard Schnauzer
- Star-nosed mole
- Starfish
- Stargazer Fish
- Steelhead Salmon
- Steller’s Sea Cow
- Stick Insect
- Stiletto Snake
- Stingray
- Stoat
- Stone Crab
- Stonechat
- Stonefish
- Stoplight Loosejaw
- Stork
- Strawberry Hermit Crab
- Striped Bass
- Striped Hyena
- Striped Rocket Frog
- Stromatolite
- Stupendemys
- Sturgeon
- Styracosaurus
- Suchomimus
- Suckerfish
- Sugar Glider
- Sulcata Tortoise
- Sultan Chicken
- Sumatran Elephant
- Sumatran Orangutan
- Sumatran Rhinoceros
- Sumatran Tiger
- Summer Tanager
- Sun Bear
- Sunbeam Snake
- Sunset Ball Python
- Super Pastel Ball Python
- Supersaurus
- Superworm
- Surgeonfish
- Sussex Chicken
- Swai Fish
- Swainson’s Hawk
- Swallow
- Swallowtail Butterfly
- Swallowtail Caterpillar
- Swan
- Swedish Elkhound
- Swedish Lapphund
- Swedish Vallhund
- Swordfish
- Syrian Hamster
- Taco Terrier
- Tailless Whip Scorpion
- Taimen Fish
- Taipan
- Takin
- Tamarin
- Tamaskan
- Tang
- Tangerine Leopard Gecko
- Tapanuli Orangutan
- Tapir
- Tarantula
- Tarantula Hawk
- Tarbosaurus
- Tarpon
- Tarsier
- Tasmanian Devil
- Tasmanian Tiger
- Tasmanian Tiger Snake
- Tawny Frogmouth
- Tawny Mining Bee
- Tawny Owl
- Teacup Chihuahua
- Teacup Maltese
- Teacup Miniature Horse
- Teacup Poodle
- Teddy Bear Hamster
- Teddy Guinea Pig
- Teddy Roosevelt Terrier
- Telescope Fish
- Ten-Lined June Beetle
- Tennessee Walking Horse
- Tenrec
- Tent Caterpillar
- Tentacled Snake
- Tenterfield Terrier
- Termite
- Terrier
- Terror Bird
- Tetra
- Texas Blind Snake
- Texas Brown Tarantula
- Texas Coral Snake
- Texas Garter Snake
- Texas Heeler
- Texas Indigo Snake
- Texas Night Snake
- Texas Rat Snake
- Texas Spiny Lizard
- Thai Ridgeback
- Thalassomedon
- Thanatosdrakon
- Therizinosaurus
- Theropod
- Thornback Ray
- Thorny Devil
- Thresher Shark
- Thrush
- Thylacoleo
- Thylacoleo carnifex
- Thylacosmilus
- Tibetan Fox
- Tibetan Mastiff
- Tibetan Spaniel
- Tibetan Terrier
- Tick
- Tiffany
- Tiger
- Tiger Beetle
- Tiger Moth
- Tiger Muskellunge (Muskie)
- Tiger Rattlesnake
- Tiger Salamander
- Tiger Shark
- Tiger snake
- Tiger Swallowtail
- Tiger Swallowtail Caterpillar
- Tiger Trout
- Tiktaalik
- Timber Rattlesnake (Canebrake Rattlesnake)
- Timor python
- Tire Track Eel
- Titan Beetle
- Titanoboa
- Titanosaur
- Toadfish
- Tomato Hornworm
- Torkie
- Tornjak
- Tortoise
- Tosa
- Toucan
- Towhee
- Toxodon
- Toy Fox Terrier
- Toy Poodle
- Transylvanian Hound
- Trapdoor spider
- Tree Cricket
- Tree Frog
- Tree Kangaroo
- Tree Snake
- Tree swallow
- Tree Viper (Bamboo Viper)
- Treecreeper
- Treehopper
- Treeing Tennessee Brindle
- Treeing Walker Coonhound
- Triggerfish
- Troodon
- Tropicbird
- Trout
- Tsetse Fly
- Tuatara
- Tufted Coquette
- Tufted Titmouse
- Tully Monster
- Tuna
- Turaco
- Turkey
- Turkey Vulture
- Turkish Angora
- Turnspit
- Turtle Frog
- Turtles
- Tusoteuthis
- Tussock Moth
- Tussock Moth Caterpillar
- Twig Snake
- Tylosaurus
- Tyrannosaurus Rex
- Uakari
- Uaru Cichlid
- Uguisu
- Uinta Ground Squirrel
- Uintatherium
- Umbrellabird
- Unau (Linnaeus’s Two-Toed Sloth)
- Underwing Moth
- Upland Sandpiper
- Ural owl
- Urechis unicinctus (Penis Fish)
- Urial
- Uromastyx (Spiny-Tailed Lizard)
- Urutu Snake
- Utonagan
- Animals that start with V
- Valley Bulldog
- Vampire Bat
- Vampire Crab
- Vampire Squid
- Vaquita
- Veery
- Vegavis
- Velociraptor
- Venus Flytrap
- Vermilion Flycatcher
- Vervet Monkey
- Vestal Cuckoo Bumblebee
- Vicuña
- Vine Snake
- Vinegaroon
- Viper
- Viper Boa
- Viper Shark (dogfish)
- Viperfish
- Virgin Islands Dwarf Gecko
- Vizsla
- Volcano Snail
- Vole
- Volpino Italiano
- Vulture
- Wahoo Fish
- Waimanu
- Walking Catfish
- Wallaby
- Walleye Fish
- Walrus
- Wandering Albatross
- Warbler
- Warthog
- Wasp
- Water Beetle
- Water Buffalo
- Water Bug
- Water Dragon
- Water Vole
- Waterbuck
- Wattled Jacana
- Wax Moth
- Weasel
- Weaver Bird
- Weimaraner
- Weimardoodle
- Wels Catfish
- Welsh Black Cattle
- Welsh Corgi
- Welsh Springer Spaniel
- Welsh Terrier
- West Highland Terrier
- West Siberian Laika
- Western Blacklegged Tick
- Western Blind Snake
- Western Diamondback Rattlesnake
- Western Gorilla
- Western Green Mamba
- Western Hognose Snake
- Western Kingbird
- Western Lowland Gorilla
- Western Rat Snake
- Western Rattlesnake (Northern Pacific Rattlesnake)
- Western Tanager
- Westiepoo
- Whale Shark
- Wheaten Terrier
- Whimbrel
- Whinchat
- Whippet
- Whiptail Lizard
- White Bass
- White Butterfly
- White Catfish
- White Crappie
- White Ferret / Albino Ferrets
- White German Shepherd
- White Marlin
- White Rhinoceros
- White Shark
- White Sturgeon
- White Tiger
- White-Crowned Sparrow
- White-Eyed Vireo
- White-Faced Capuchin
- White-shouldered House Moth
- White-tail deer
- White-Tailed Eagle
- Whitetail Deer
- Whiting
- Whoodle
- Whooping Crane
- Wild Boar
- Wildebeest
- Willow Flycatcher
- Willow Warbler
- Winter Moth
- Wire Fox Terrier
- Wirehaired Pointing Griffon
- Wirehaired Vizsla
- Wiwaxia
- Wolf
- Wolf Eel
- Wolf Snake
- Wolf Spider
- Wolffish
- Wolverine
- Woma Python
- Wombat
- Wood Bison
- Wood Duck
- Wood Frog
- Wood Tick
- Wood Turtle
- Woodlouse
- Woodlouse Spider
- Woodpecker
- Woodrat
- Wool Carder Bee
- Woolly Aphids
- Woolly Bear Caterpillar
- Woolly Mammoth
- Woolly Monkey
- Woolly Rhinoceros
- Worm
- Worm Snake
- Wrasse
- Writing Spider
- Wrought Iron Butterflyfish
- Wryneck
- Wyandotte Chicken
- Wyoming Toad
- X-Ray Tetra
- Xeme (Sabine’s Gull)
- Xenacanthus
- Xenoceratops
- Xenoposeidon
- Xenotarsosaurus
- Xerus
- Xiaosaurus
- Xiaotingia
- Xingu River Ray
- Xiongguanlong
- Xiphactinus
- Xoloitzcuintli
- Animals that start with Y
- Yabby
- Yak
- Yakutian Laika
- Yarara
- Yellow Anaconda
- Yellow Aphids
- Yellow Bass
- Yellow Bellied Sapsucker
- Yellow Belly Ball Python
- Yellow Bullhead Catfish
- Yellow Cobra
- Yellow Crazy Ant
- Yellow Perch
- Yellow Sac Spider
- Yellow Spotted Lizard
- Yellow Tanager (Black-and-Yellow Tanager)
- Yellow Tang
- Yellow-Bellied Sea Snake
- Yellow-Eyed Penguin
- Yellow-faced Bee
- Yellowfin Tuna
- Yellowhammer
- Yellowish Cuckoo Bumblebee (formerly Fernald’s Cuckoo Bumblebee)
- Yellowjacket (Yellow Jacket)
- Yellowtail Snapper
- Yellowthroat
- Yeti Crab
- Yokohama Chicken
- Yoranian
- Yorkie Bichon
- Yorkiepoo
- Yorkshire Terrier
- Zebra
- Zebra Finch
- Zebra Mussels
- Zebra Pleco
- Zebra Shark
- Zebra Snake
- Zebra Spitting Cobra
- Zebra Tarantula
- Zebrafish (Zebra Fish)
- Zebu
- Zokor
- Zonkey
- Zorse
- Zuchon
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