List of threatened reptiles and amphibians of the United States

According to the International Union for Conservation of Nature (IUCN), 93 reptile and amphibian species in the United States are threatened with extinction.^[1] The IUCN has classified each of these species into one of three conservation statuses: vulnerable VU, endangered EN, and critically endangered CR.

Order Crocodilia (crocodilians)[]

Family Crocodylidae (crocodiles)

American crocodile (Crocodylus acutus) VU^IUCN

Order Testudines (turtles)[]

Family Chelydridae (snapping turtles)

Alligator snapping turtle (Macrochelys temminckii) VU^IUCN

Family Kinosternidae (mud turtles and musk turtles)

Flattened musk turtle (Sternotherus depressus) CR^IUCN

Family Emydidae (pond turtles)

Spotted turtle (Clemmys guttata) EN^IUCN
Bog turtle (Glyptemys muhlenbergii) CR^IUCN
Wood turtle (Glyptemys insculpta) EN^IUCN
Common box turtle (Terrapene carolina) VU^IUCN
Blanding's turtle (Emys blandingii) EN^IUCN
Western pond turtle (Actinemys marmorata) VU^IUCN
Barbour's map turtle (Graptemys barbouri) VU^IUCN
Cagle's map turtle (Graptemys caglei) EN^IUCN
Yellow-blotched map turtle (Graptemys flavimaculata) VU^IUCN
Pascagoula map turtle (Graptemys gibbonsi) EN^IUCN
- Pearl River map turtle (Graptemys pearlensis) EN,^[2] species not recognized by SSAR^[3]
Ringed map turtle (Graptemys oculifera) VU^IUCN
Big Bend slider (Trachemys gaigeae) VU^IUCN
Alabama red-bellied cooter (Pseudemys alabamensis) EN^IUCN

Family Testudinidae (tortoises)

Gopher tortoise (Gopherus polyphemus) VU^IUCN
Desert tortoise (Gopherus agassizii) VU^IUCN

Family Cheloniidae (sea turtles)

Loggerhead sea turtle (Caretta caretta) VU^IUCN
Green sea turtle (Chelonia mydas) EN^IUCN (Hawaiian subpopulation: LC^IUCN)
Hawksbill sea turtle (Eretmochelys imbricata) CR^IUCN
Kemp's ridley sea turtle (Lepidochelys kempii) CR^IUCN
Olive ridley sea turtle (Lepidochelys olivacea) VU^IUCN

Family Dermochelyidae (leatherback sea turtle)

Leatherback sea turtle (Dermochelys coriacea) VU^IUCN (East Pacific Ocean subpopulation - i.e. Hawaiian Is.: CR^IUCN, West Pacific Ocean subpopulation: CR^IUCN, Northwest Atlantic Ocean subpopulation: EN^IUCN)

Family Trionychidae (softshells)

Wattle-necked softshell turtle (Palea steindachneri) (introduced) CR^IUCN

Order Squamata (scaled reptiles)[]

Family Crotaphytidae (collared lizards)

Reticulated collared lizard (Crotaphytus reticulatus) VU^IUCN
Blunt-nosed leopard lizard (Gambelia sila) EN^IUCN

Family Phrynosomatidae (horned lizards and spiny lizards)

Dunes sagebrush lizard (Sceloporus arenicolus) VU^IUCN
Coachella Valley fringe-toed lizard (Uma inornata) EN^IUCN

Family Teiidae (whiptails)

Little white whiptail (Aspidoscelis gypsi) VU^IUCN

Family Scincidae (skinks)

Florida sand skink (Neoseps reynoldsi) VU^IUCN

Family Xantusiidae (night lizards)

Sandstone night lizard (Xantusia gracilis) VU^IUCN

Family Anguidae (glass lizards, alligator lizards, and relatives)

Panamint alligator lizard (Elgaria panamintina) VU^IUCN

Family Colubridae (colubrid snakes)

Southern hog-nosed snake (Heterodon simus) VU^IUCN
Louisiana pine snake (Pituophis ruthveni) EN^IUCN
Rim rock crown snake (Tantilla oolitica) EN^IUCN
Giant garter snake (Thamnophis gigas) VU^IUCN

Family Pythonidae (pythons)

Indian Python (Python molurus) (introduced) LR/nt^IUCN

Order Caudata (salamanders)[]

Family Proteidae (waterdogs)

Alabama waterdog (Necturus alabamensis) EN^IUCN

Family Ambystomatidae (mole salamanders)

Reticulated flatwoods salamander (Ambystoma bishopi) VU^IUCN
California tiger salamander (Ambystoma californiense) VU^IUCN
Frosted flatwoods salamander (Ambystoma cingulatum) VU^IUCN

Family Rhyacotritonidae (torrent salamanders)

Olympic torrent salamander (Rhyacotriton olympicus) VU^IUCN

Family Salamandridae (newts)

Black-spotted newt (Notophthalmus meridionalis) EN^IUCN

Family Plethodontidae (lungless salamanders)

Inyo Mountains salamander (Batrachoseps campi) EN^IUCN
Kings River slender salamander (Batrachoseps regius) VU^IUCN
Kern Canyon slender salamander (Batrachoseps simatus) VU^IUCN
Tehachapi slender salamander (Batrachoseps stebbinsi) VU^IUCN
Oregon slender salamander (Batrachoseps wrightorum) VU^IUCN
Red Hills salamander (Phaeognathus hubrichti) EN^IUCN
Peaks of Otter salamander (Plethodon hubrichti) VU^IUCN
Shenandoah salamander (Plethodon shenandoah) VU^IUCN
Weller's salamander (Plethodon welleri) EN^IUCN
Pigeon Mountain salamander (Plethodon petraeus) VU^IUCN
Blue Ridge gray-cheeked salamander (Plethodon amplus) VU^IUCN
Scott Bar salamander (Plethodon asupak) VU^IUCN
Cheoah Bald salamander (Plethodon cheoah) VU^IUCN
Fourche Mountain salamander (Plethodon fourchensis) VU^IUCN
South Mountain gray-cheeked salamander (Plethodon meridianus) VU^IUCN
Big Levels salamander (Plethodon sherando) VU^IUCN
Red-legged salamander (Plethodon shermani) VU^IUCN
Siskiyou Mountains salamander (Plethodon stormi) EN^IUCN
Limestone salamander (Hydromantes brunus) VU^IUCN
Shasta salamander (Hydromantes shastae) VU^IUCN
Berry Cave salamander (Gyrinophilus gulolineatus) EN^IUCN
West Virginia spring salamander (Gyrinophilus subterraneus) EN^IUCN
Tennessee cave salamander (Gyrinophilus palleucus) VU^IUCN
Salado Springs salamander (Eurycea chisholmensis) VU^IUCN
Junaluska salamander (Eurycea junaluska) VU^IUCN
Cascade Caverns salamander (Eurycea latitans) VU^IUCN
San Marcos salamander (Eurycea nana) VU^IUCN
Georgetown salamander (Eurycea naufragia) EN^IUCN
Texas salamander (Eurycea neotenes) VU^IUCN
Barton Springs salamander (Eurycea sosorum) VU^IUCN
Jollyville Plateau salamander (Eurycea tonkawae) EN^IUCN
Comal blind salamander (Eurycea tridentifera) VU^IUCN
Texas blind salamander (Eurycea rathbuni) VU^IUCN
Austin blind salamander (Eurycea waterlooensis) VU^IUCN
Georgia blind salamander (Haideotriton wallacei) VU^IUCN

Order Anura (frogs)[]

Family Bufonidae (toads)

Arroyo toad (Anaxyrus californicus) EN^IUCN
Yosemite toad (Anaxyrus canorus) EN^IUCN
Black toad (Anaxyrus exsul) VU^IUCN
Houston toad (Anaxyrus houstonensis) EN^IUCN
Amargosa toad (Anaxyrus nelsoni) EN^IUCN

Family Ranidae (true frogs)

Chiricahua leopard frog (Lithobates chiricahuensis) VU^IUCN
- Ramsey Canyon leopard frog (Lithobates subaquavocalis) CR,^[4] species not recognized by SSAR^[3]
Florida bog frog (Lithobates okaloosae) VU^IUCN
Relict leopard frog (Lithobates onca) EN^IUCN
Mississippi gopher frog (Lithobates sevosus) CR^IUCN
Tarahumara frog (Lithobates tarahumarae) VU^IUCN
California red-legged frog (Rana draytonii) VU^IUCN
Mountain yellow-legged frog (Rana muscosa) EN^IUCN
Oregon spotted frog (Rana pretiosa) VU^IUCN
Sierra Nevada yellow-legged frog (Rana sierrae) EN^IUCN

References[]

^ "IUCN 2013". IUCN Red List of Threatened Species. Retrieved 2013-11-21.
^ van Dijk, P.P. (2011). "Graptemys pearlensis". IUCN Red List of Threatened Species. 2011: e.T184437A97423604. doi:10.2305/IUCN.UK.2011-1.RLTS.T184437A8276246.en.{{cite iucn}}: error: |doi= / |page= mismatch (help)
^ ^a ^b Crother, B.I., ed. (September 2008). Scientific and Standard English Names of Amphibians and Reptiles of North America North of Mexico, with comments regarding confidence in our understanding. Sixth edition. SSAR Herpetological circular No. 37. Shoreview, MN: Society for the Study of Amphibians and Reptiles (SSAR). pp. 1–84 (90 pages). ISBN 978-0-916984-74-8.
^ Geoffrey Hammerson; Michael Sredl (2004). "Lithobates subaquavocalis". IUCN Red List of Threatened Species. 2004: e.T19180A8848570. doi:10.2305/IUCN.UK.2004.RLTS.T19180A8848570.en.

[iucn-1] "IUCN 2013". IUCN Red List of Threatened Species. Retrieved 2013-11-21.

[IUCN_184437-2] van Dijk, P.P. (2011). "Graptemys pearlensis". IUCN Red List of Threatened Species. 2011: e.T184437A97423604. doi:10.2305/IUCN.UK.2011-1.RLTS.T184437A8276246.en.{{cite iucn}}: error: |doi= / |page= mismatch (help)

[SSAR-3] Crother, B.I., ed. (September 2008). Scientific and Standard English Names of Amphibians and Reptiles of North America North of Mexico, with comments regarding confidence in our understanding. Sixth edition. SSAR Herpetological circular No. 37. Shoreview, MN: Society for the Study of Amphibians and Reptiles (SSAR). pp. 1–84 (90 pages). ISBN 978-0-916984-74-8.

[IUCN_19180-4] Geoffrey Hammerson; Michael Sredl (2004). "Lithobates subaquavocalis". IUCN Red List of Threatened Species. 2004: e.T19180A8848570. doi:10.2305/IUCN.UK.2004.RLTS.T19180A8848570.en.

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