E
- Eastern Wolf
- Echinotriton andersoni — Anderson's Crocodile Newt
- Echinotriton chinhaiensis — Chinhai Spiny Newt
- Ecnomiohyla echinata
- Ecnomiohyla fimbrimembra
- Ecnomiohyla minera
- Ecnomiohyla phantasmagoria
- Ecnomiohyla salvaje
- Ecnomiohyla valancifer
- Economidichthys trichonis
- Edwardsina gigantea — Giant Torrent Midge
- Edwardsina tasmaniensis — Tasmanian Torrent Midge
- Elaphrus viridis — Delta green ground beetle
- Elaphurus davidianus — Pere David's Deer, Père David's Deer
- Elattoneura caesia
- Elattoneura leucostigma
- Eleothreptus candicans — White-winged Nightjar
- Elephas maximus — Asian Elephant, Indian Elephant
- Eleutherodactylus acerus
- Eleutherodactylus acmonis
- Eleutherodactylus actinolaimus
- Eleutherodactylus acutirostris
- Eleutherodactylus adelus
- Eleutherodactylus albericoi
- Eleutherodactylus albipes
- Eleutherodactylus alcoae
- Eleutherodactylus alticola
- Eleutherodactylus amadeus
- Eleutherodactylus amplinympha
- Eleutherodactylus andrewsi
- Eleutherodactylus angustilineata
- Eleutherodactylus apostates
- Eleutherodactylus armstrongi
- Eleutherodactylus atratus
- Eleutherodactylus auriculatoides
- Eleutherodactylus bacchus
- Eleutherodactylus bakeri
- Eleutherodactylus balionotus
- Eleutherodactylus barlagnei
- Eleutherodactylus bartonsmithi
- Eleutherodactylus baryecuus
- Eleutherodactylus bellona
- Eleutherodactylus bernali
- Eleutherodactylus bisignatus
- Eleutherodactylus blairhedgesi
- Eleutherodactylus boconoensis
- Eleutherodactylus bresslerae
- Eleutherodactylus brevirostris
- Eleutherodactylus cabrerai
- Eleutherodactylus cacao
- Eleutherodactylus calcaratus
- Eleutherodactylus capitonis
- Eleutherodactylus caribe
- Eleutherodactylus casparii
- Eleutherodactylus cavernicola
- Eleutherodactylus chlorophenax
- Eleutherodactylus chrysops
- Eleutherodactylus colomai
- Eleutherodactylus cooki
- Eleutherodactylus corona
- Eleutherodactylus cosnipatae
- Eleutherodactylus counouspeus
- Eleutherodactylus cremnobates
- Eleutherodactylus crenunguis
- Eleutherodactylus cryophilius
- Eleutherodactylus cryptomelas
- Eleutherodactylus cubanus
- Eleutherodactylus darlingtoni
- Eleutherodactylus degener
- Eleutherodactylus deinops
- Eleutherodactylus dennisi
- Eleutherodactylus devillei
- Eleutherodactylus dilatus
- Eleutherodactylus dissimulatus
- Eleutherodactylus dixoni
- Eleutherodactylus dolomedes
- Eleutherodactylus dorsopictus
- Eleutherodactylus elassodiscus
- Eleutherodactylus emiliae
- Eleutherodactylus emleni
- Eleutherodactylus eneidae — Elegant Coqui, Eneida's Coqui
- Eleutherodactylus etheridgei
- Eleutherodactylus eugeniae
- Eleutherodactylus eunaster
- Eleutherodactylus euphronides
- Eleutherodactylus fallax
- Eleutherodactylus fetosus
- Eleutherodactylus fowleri
- Eleutherodactylus furcyensis
- Eleutherodactylus fuscus
- Eleutherodactylus gentryi
- Eleutherodactylus ginesi
- Eleutherodactylus gladiator
- Eleutherodactylus glamyrus
- Eleutherodactylus glandulifer
- Eleutherodactylus glanduliferoides
- Eleutherodactylus glandulosus
- Eleutherodactylus glaphycompus
- Eleutherodactylus grabhami
- Eleutherodactylus grahami
- Eleutherodactylus grandis
- Eleutherodactylus greyi
- Eleutherodactylus griphus
- Eleutherodactylus gryllus — Cricket Coqui, Green Coqui
- Eleutherodactylus guanahacabibes
- Eleutherodactylus gundlachi
- Eleutherodactylus haitianus
- Eleutherodactylus hamiotae
- Eleutherodactylus hedricki — Hedrick's Coqui, Treehole Coqui
- Eleutherodactylus helonotus
- Eleutherodactylus helvolus
- Eleutherodactylus heminota
- Eleutherodactylus hernandezi
- Eleutherodactylus hypostenor
- Eleutherodactylus iberia
- Eleutherodactylus ignicolor
- Eleutherodactylus incanus
- Eleutherodactylus insignitus
- Eleutherodactylus intermedius
- Eleutherodactylus ionthus
- Eleutherodactylus jamaicensis
- Eleutherodactylus jasperi — Golden Coqui Frog, Golden Coqui
- Eleutherodactylus jaumei
- Eleutherodactylus johannesdei
- Eleutherodactylus jorgevelosai
- Eleutherodactylus jugans
- Eleutherodactylus junori
- Eleutherodactylus karlschmidti — Stream Coqui, Web-footed Coquí, Karl's Robber Frog
- Eleutherodactylus katoptroides
- Eleutherodactylus klinikowskii
- Eleutherodactylus laevissimus
- Eleutherodactylus lamprotes
- Eleutherodactylus lancinii
- Eleutherodactylus latens
- Eleutherodactylus leberi
- Eleutherodactylus lemur
- Eleutherodactylus lentus — Yellow Mottled Coqui
- Eleutherodactylus leoncei
- Eleutherodactylus lichenoides
- Eleutherodactylus lividus
- Eleutherodactylus locustus — Locust Coqui
- Eleutherodactylus loustes
- Eleutherodactylus lucioi
- Eleutherodactylus luteolus
- Eleutherodactylus maculosus
- Eleutherodactylus mariposa
- Eleutherodactylus mars
- Eleutherodactylus melacara
- Eleutherodactylus merostictus
- Eleutherodactylus minutus
- Eleutherodactylus mnionaetes
- Eleutherodactylus modipeplus
- Eleutherodactylus montanus
- Eleutherodactylus museosus
- Eleutherodactylus nortoni
- Eleutherodactylus nubicola
- Eleutherodactylus ocreatus
- Eleutherodactylus olanchano
- Eleutherodactylus orcutti
- Eleutherodactylus orestes
- Eleutherodactylus orientalis
- Eleutherodactylus oxyrhyncus
- Eleutherodactylus parabates
- Eleutherodactylus paramerus
- Eleutherodactylus parapelates
- Eleutherodactylus parectatus
- Eleutherodactylus pastazensis
- Eleutherodactylus patriciae
- Eleutherodactylus paulsoni
- Eleutherodactylus pechorum
- Eleutherodactylus percultus
- Eleutherodactylus pezopetrus
- Eleutherodactylus phragmipleuron
- Eleutherodactylus pinarensis
- Eleutherodactylus pinchoni
- Eleutherodactylus pituinus
- Eleutherodactylus polychrus
- Eleutherodactylus poolei
- Eleutherodactylus portoricensis — Upland Coqui
- Eleutherodactylus principalis
- Eleutherodactylus probolaeus
- Eleutherodactylus prolatus
- Eleutherodactylus proserpens
- Eleutherodactylus pteridophilus
- Eleutherodactylus pycnodermis
- Eleutherodactylus pyrrhomerus
- Eleutherodactylus renjiforum
- Eleutherodactylus rhodesi
- Eleutherodactylus rhodoplichus
- Eleutherodactylus richmondi — Bronze Coqui, Richmond's Coqui
- Eleutherodactylus rivularis
- Eleutherodactylus rubicundus
- Eleutherodactylus rufescens
- Eleutherodactylus rufifemoralis
- Eleutherodactylus ruizi
- Eleutherodactylus ruthae
- Eleutherodactylus ruthveni
- Eleutherodactylus sandersoni
- Eleutherodactylus saxatilis
- Eleutherodactylus schmidti
- Eleutherodactylus schwartzi — Virgin Islands Coqui
- Eleutherodactylus sciagraphus
- Eleutherodactylus scoloblepharus
- Eleutherodactylus scolodiscus
- Eleutherodactylus semipalmatus
- Eleutherodactylus shrevei
- Eleutherodactylus simonbolivari
- Eleutherodactylus simoteriscus
- Eleutherodactylus simulans
- Eleutherodactylus siopelus
- Eleutherodactylus sisyphodemus
- Eleutherodactylus sobetes
- Eleutherodactylus spilogaster
- Eleutherodactylus suetus
- Eleutherodactylus sulculus
- Eleutherodactylus surdus
- Eleutherodactylus symingtoni
- Eleutherodactylus syristes — Piping Peeping Frog
- Eleutherodactylus tenebrionis
- Eleutherodactylus tetajulia
- Eleutherodactylus thomasi
- Eleutherodactylus thorectes
- Eleutherodactylus thymalopsoides
- Eleutherodactylus toa
- Eleutherodactylus tonyi
- Eleutherodactylus torrenticola
- Eleutherodactylus trepidotus
- Eleutherodactylus tribulosus
- Eleutherodactylus truebae
- Eleutherodactylus turquinensis
- Eleutherodactylus turumiquirensis
- Eleutherodactylus unicolor — Dwarf Coqui, Elfin Coqui
- Eleutherodactylus urichi
- Eleutherodactylus veletis
- Eleutherodactylus ventrilineatus
- Eleutherodactylus vidua
- Eleutherodactylus viridicans
- Eleutherodactylus vulcani
- Eleutherodactylus warreni
- Eleutherodactylus wightmanae — Melodius Coqui
- Eleutherodactylus zeus
- Eleutherodactylus zongoensis
- Eleutherodactylus zophus
- Eleutherodactylus zugi
- Elimia ampla — Round rocksnail
- Elimia annettae — Lily shoals elimia
- Eliurus majori — Major's Tufted-tailed Rat
- Eliurus penicillatus — White-tipped Tufted-tailed Rat
- Elliptio chipolaensis — Chipola slabshell
- Elliptio spinosa — Altamaha spinymussel, Georgia spiny mussel
- Elliptio steinstansana — Tar River spiny mussel, Tar River spinymussel
- Elliptoideus sloatianus — Purple bankclimber
- Ellobius alaicus — Alai Mole Vole
- Elseya bellii — Namoi River Snapping Turtle
- Elusor macrurus — Mary River Turtle
- Emballonura semicaudata — Pacific Sheath-tailed Bat, Polynesian Sheath-tailed Bat
- Encheloclarias curtisoma
- Encheloclarias kelioides
- Endodonta apiculata
- Engaeus australis — Lilly Pilly Burrowing Crayfish
- Engaeus curvisuturus
- Engaeus disjuncticus
- Engaeus granulatus
- Engaeus mallacoota — Mallacoota Burrowing Crayfish
- Engaeus martigener — Furneaux Burrowing Crayfish
- Engaeus nulloporius
- Engaeus orramakunna — Mount Arthur Burrowing Crayfish
- Engaeus rostrogaleatus — Strzelecki Burrowing Crayfish
- Engaeus spinicaudatus — Scottsdale Burrowing Crayfish
- Engaeus sternalis — Warragul Burrowing Crayfish
- Engaeus urostrictus
- Engaewa similis
- Enhydra lutris — Sea Otter
- Enterochromis paropius
- Eos histrio — Red-and-blue Lory
- Epigomphus camelus — Humped Knobtail
- Epigomphus clavatus — Guatemalan Knobtail
- Epigomphus corniculatus — Horned Knobtail
- Epigomphus donnellyi — Donnelly's Knobtail
- Epigomphus echeverrii — Volcano Knobtail
- Epigomphus flinti — Flint's Knobtail
- Epigomphus houghtoni — Limón Knobtail
- Epigomphus maya — Maya Knobtail
- Epigomphus paulsoni — Paulson's Knobtail
- Epigomphus subsimilis — Alajuela Knobtail
- Epigomphus sulcatistyla — Tuxtla Knobtail
- Epigomphus verticicornis — Cartago Knobtail
- Epigomphus westfalli — Westfall's Knobtail
- Epinephelus akaara — Hong Kong grouper
- Epinephelus drummondhayi — Calico grouper, Kitty mitchell, Speckled hind, Strawberry grouper
- Epinephelus marginatus — Dusky grouper
- Epinephelus nigritus — Black grouper, Black jewfish, Warsaw grouper
- Epinephelus striatus — Nassau Grouper
- Epioblasma brevidens — Cumberlandian combshell
- Epioblasma capsaeformis — Oyster mussel
- Epioblasma metastriata — Upland combshell
- Epioblasma othcaloogensis — Southern acorn riffle shell, Southern acornshell
- Epioblasma penita — Penitent mussel, Southern combshell
- Epipedobates ingeri
- Epipedobates planipaleae — Oxapampa Poison Frog
- Epipedobates tricolor
- Eptesicus guadeloupensis — Guadeloupe Big Brown Bat
- Equus africanus — African Ass, African Wild Ass, Ass
- Equus grevyi — Grevy's Zebra
- Equus zebra — Mountain Zebra
- Erebonectes nesioticus
- Eremomela turneri — Turner's Eremomela
- Erepta odontina
- Erepta stylodon
- Eretmochelys imbricata — Hawksbill Turtle
- Ericabatrachus baleensis
- Eriocnemis godini — Turquoise-throated Puffleg
- Eriocnemis mirabilis — Colourful Puffleg
- Eriocnemis nigrivestis — Black-breasted Puffleg
- Eropeplus canus — Sulawesi Soft-furred Rat
- Erymnochelys madagascariensis — Madagascar Big-headed Turtle, Madagascar Sideneck Turtle
- Erythrura gouldiae — Gouldian Finch
- Etheostoma boschungi — Slackwater Darter
- Etheostoma nuchale — Watercress Darter
- Etheostoma okaloosae — Okaloosa Darter
- Eua zebrina
- Euastacus bindal
- Euastacus crassus
- Euastacus diversus
- Euastacus jagara
- Euastacus maidae
- Euastacus monteithorum
- Euastacus robertsi
- Euastacus urospinosus
- Euastacus yigara
- Eubalaena glacialis — North Atlantic Right Whale
- Eubalaena japonica — North Pacific Right Whale
- Euchondrus ramonensis
- Euchoreutes naso — Long-eared Jerboa
- Eudontomyzon hellenicus — Greek lamprey
- Eudyptes sclateri — Erect-crested Penguin
- Eulamprus leuraensis — Blue Mountain Water Skink
- Eulidia yarrellii — Chilean Woodstar
- Eumeces longirostris — Bermuda Rock Lizard, Bermuda Rock Skink, Bermudian Rock Lizard, Bermudian Rock Skink
- Eumetopias jubatus — Northern Sealion, Steller Sea Lion, Steller's Sea Lion, Steller's Sealion
- Eunymphicus cornutus — Horned Parakeet
- Eunymphicus uvaeensis — Uvea Parakeet
- Euonyma curtissima
- Eupetaurus cinereus — Woolly Flying Squirrel
- Eupherusa cyanophrys — Blue-capped Hummingbird
- Eupleres goudotii — Falanouc, Fanalouc, Malagasy Mongoose, Slender Fanalouc, Small-toothed Mongoose
- Euploea albicosta — Biak Dark Crow
- Euploea caespes — Murphy's Crow
- Euploea mitra — Seychelles Crow
- Euploea tripunctata — Biak Threespot Crow
- Euproctus platycephalus — Sardinian Brook Salamander, Sardinian Mountain Newt
- Euproserpinus wiesti — Prairie Sphinx Moth
- Eupsophus contulmoensis
- Eupsophus insularis
- Eupsophus migueli
- Eupsophus nahuelbutensis
- Eurochelidon sirintarae — White-eyed River-martin
- Euroscaptor parvidens — Small-toothed Mole
- Eurycea naufragia — Georgetown Salamander
- Eurycea tonkawae — Jollyville Plateau Salamander
- Eurynorhynchus pygmeus — Spoon-billed Sandpiper
- Eutrichomyias rowleyi — Caerulean Paradise-flycatcher
- Eutriorchis astur — Madagascar Serpent-eagle
- Exerodonta catracha
- Exerodonta chimalapa
- Exerodonta perkinsi
Read more about this topic: IUCN Red List Endangered Animal Species