- Dachshund (AKC recognized breed)
- Daddy longlegs
- Dalmatian (AKC recognized breed)
- Damselfly
- Dandie Dinmont Terrier (AKC recognized breed)
- Dart Frog (dendrobates auratus)
- Dassies (South African rat species)
- Deer
- Deer Mouse
- Degus (a small rodent from South America)
- Desert pupfish
- Devil Fish (giant sting ray)
- Devil Tasmanian
- Diaea Dorsata (small crab spider)
- Diamondback rattlesnake
- Dik-dik (antelope)
- Dikkop (bird)
- Dingo
- Dinosaur (extinct)
- Diplodocus
- Dipper
- Discus
- Doberman Pinscher (AKC recognized breed)
- Doctorfish
- Dodo Bird (extinct)
- Doe (female deer)
- Dog (common domestic)
- Dogue de Bordeaux (AKC recognized breed)
- Dogwood Clubgall
- Dogwood Twig Borer
- Dolphin
- Donkey
- Dorado (South American fish)
- Dore (walleye fish)
- Dorking
- Dormouse
- Dotterel
- Douglas Fir Bark Beetle
- Dove
- Dowitcher
- Draft horse
- Dragon (fictional)
- Dragonfly
- Drake
- Dromaeosaur
- Dromedary
- Drongo
- Duck
- Duckbill Platypus
- Duckling
- Dugong
- Duiker
- Dung beetle
- Dungeness Crab
- Dunlin
- Dunnart
- Dwarf Mongoose
Dog, Dingo, Dolphin Dogs, Dingos, Dolphins, Donkeys, Dove, Deer, Ducks, Dalmations, Dragonflies, Duck-billed platypi, Dung beetles and Ducklings.
dodo bird
dog
dragon
dinosaur
- Eagle
- Earthworm
- Earwig (insect with pincers)
- Eastern glass lizard
- Eastern newt
- Echidna
- Eel
- Eeve - A small shell fish, like a snail.
- Eft - immature newt
- Egret
- Eider
- Eidolon helvum
- Ekaltadeta
- Eland
- Electric Eel
- Elephant
- Elephant seal
- Elephant beetle
- Elk
- Elver - young eel.
- Emerald tree skink
- Emperor penguin
- Emperor shrimp
- Emu
- English Pointer
- English Setter
- Equestrian - horse
- Ermine
- Erne - sea eagle.
- Eskimo dog
- Esok - A type of carp.
- Estuarine crocodile
- Ethiopian wolf
- European fire salamander
- Ewe
- Eyas - young hawk
- Eyelash pit viper
- Eyra - A wild cat. Ranges between Texas and Southern Brazil.
