| | Locust Coqui | Puerto Rico | Critically Endangered (CR) | Threats cannot/will not be reversed in time | Rescue/Supplementation | 9.355870895 | No aspect of biology known to be exceptional | Yes | Research not dependant upon species | 61 | Threats are much worse than for other CR-listed species | Anura | Leptodactylidae |
| | Richmond's Coqui | Puerto Rico | Critically Endangered (CR) | Threats cannot/will not be reversed in time | Rescue/Supplementation | 8.24527454 | No aspect of biology known to be exceptional | Yes | Research not dependant upon species | 61 | | Anura | Leptodactylidae |
| | Dwarf Coqui | Puerto Rico | Critically Endangered (CR) | Threats cannot/will not be reversed in time | Rescue/Supplementation | 8.24527454 | No aspect of biology known to be exceptional | Yes | Research not dependant upon species | 61 | Stable population in very limited distribution, affected by chytrid - COMMENT: GAA should take into account the different impact climate change has on island versus continental species | Anura | Leptodactylidae |
| | | Puerto Rico | Critically Endangered (CR) | Threats cannot/will not be reversed in time | Rescue/Supplementation | 0 | No aspect of biology known to be exceptional | Yes | Research not dependant upon species | 61 | Recently described species, will be CR. In lowlands, threatened by habitat destruction | Anura | Leptodactylidae |
| | Alabama Waterdog | United States of America | Endangered (EN) | Threats cannot/will not be reversed in time | Rescue/Supplementation | 63.289638938 | No aspect of biology known to be exceptional | No | Research not dependant upon species | 59 | ATAG explore captive breeding/husbandry; Promote in situ research | Caudata | Proteidae |
| | Melodius Coqui | Puerto Rico | Endangered (EN) | Threats cannot/will not be reversed in time | Rescue/Supplementation | 11.382433644 | No aspect of biology known to be exceptional | Yes | Research not dependant upon species | 57 | seek mandate | Anura | Leptodactylidae |
| | | | Critically Endangered (CR) | Threats cannot/will not be reversed in time | Rescue/Supplementation | 5.923020857 | No aspect of biology known to be exceptional | No | Research not dependant upon species | 56 | | Anura | Dendrobatidae |
| | Dusky Gopher Frog | United States of America | Critically Endangered (CR) | Threats cannot/will not be reversed in time | Rescue/Supplementation | 6.878410402 | No aspect of biology known to be exceptional | No | Research not dependant upon species | 56 | | Anura | Ranidae |
| | Golden Coqui | Puerto Rico | Critically Endangered (CR) | Threats cannot be reversed | Ark | 9.355870895 | Aspect of biology shared with <6 other species | Yes | Research not dependant upon species | 55 | Species possibly extinct | Anura | Leptodactylidae |
| | Ozark hellbender | United States of America | Near Threatened (NT) | Threats cannot/will not be reversed in time | Rescue/Supplementation | 92.48579987 | Aspect of biology shared with <6 other species | No | Research not dependant upon species | 52 | may need to relist pending species i.d. | Caudata | Cryptobranchidae |
| | Ramsey Canyon Leopard Frog | United States of America | Critically Endangered (CR) | Threats are being managed | Rescue/Supplementation | 0 | No aspect of biology known to be exceptional | Yes | Research not dependant upon species | 51 | EDGE list has this as Lithobates chiricahuensis - 6.87841040229364 | Anura | Ranidae |
| | Wyoming Toad | United States of America (Extinct) | Extinct in the Wild (EW) | Threats are being managed | Ark | 4.553204971 | No aspect of biology known to be exceptional | No | Research not dependant upon species | 50 | update listing, Incorporate socio-threats - its listing led to frustration about mosquito controls | Anura | Bufonidae |
| | Elegant Coqui | Puerto Rico | Critically Endangered (CR) | Threats cannot be reversed | Ark | 9.355870895 | No aspect of biology known to be exceptional | Yes | Research not dependant upon species | 50 | Species possibly extinct | Anura | Leptodactylidae |
| | Stream Coqui | Puerto Rico | Critically Endangered (CR) | Threats cannot be reversed | Ark | 8.24527454 | No aspect of biology known to be exceptional | Yes | Research not dependant upon species | 50 | Species possibly extinct | Anura | Leptodactylidae |
| | Chisholm Trail Salamander | United States of America | Vulnerable (VU) | Threats cannot/will not be reversed in time | Rescue/Supplementation | 19.134567068 | No aspect of biology known to be exceptional | No | Research not dependant upon species | 48 | recommend rescue program | Caudata | Plethodontidae |
| | Mountain Yellow-Legged Frog | United States of America | Critically Endangered (CR) | Threats are being managed | Rescue/Supplementation | 8.126774325 | No aspect of biology known to be exceptional | No | Research not dependant upon species | 46 | update listing; Fire threats, captive rearing madange from FWS, CA Dept Fish and Game; Recommendation for CR | Anura | Ranidae |
| | Sierra Nevada Yellow-legged Frog | United States of America | Critically Endangered (CR) | Threats are being managed | Rescue/Supplementation | 8.126774325 | No aspect of biology known to be exceptional | No | Research not dependant upon species | 46 | seek mandate; husbandry recommendations needed; Lays eggs on rocks, rare among Ranids | Anura | Ranidae |
| | North of Mogollon Rim | United States of America | Critically Endangered (CR) | Threats are being managed | Rescue/Supplementation | 0 | No aspect of biology known to be exceptional | No | Research not dependant upon species | 46 | More managed than southern population | Anura | Ranidae |
| | Puerto Rican Crested Toad | Virgin Islands (British), Puerto Rico | Critically Endangered (CR) | Threats are being managed | Rescue/Supplementation | 4.641761834 | No aspect of biology known to be exceptional | No | Research not dependant upon species | 46 | Questions on phylogenetic significance; RG will report back | Anura | Bufonidae |
| | One-Toed Amphiuma | United States of America | Near Threatened (NT) | Threats cannot/will not be reversed in time | Conservation Research | 64.347298741 | Aspect of biology shared with <6 other species | No | Research not dependant upon species | 44 | | Caudata | Amphiumidae |
| | Arroyo Toad | Mexico, United States of America | Endangered (EN) | Threats are being managed | Rescue/Supplementation | 4.553204971 | No aspect of biology known to be exceptional | No | Research not dependant upon species | 42 | | Anura | Bufonidae |
| | Jollyville Plateau Salamander | United States of America | Endangered (EN) | Threats are being managed | Rescue/Supplementation | 19.134567068 | No aspect of biology known to be exceptional | No | Research not dependant upon species | 42 | | Caudata | Plethodontidae |
| | San Gabriel Springs Salamander | United States of America | Endangered (EN) | Threats are being managed | Rescue/Supplementation | 19.134567068 | No aspect of biology known to be exceptional | No | Research not dependant upon species | 42 | seek mandate | Caudata | Plethodontidae |
| | Barton Springs Salamander | United States of America | Vulnerable (VU) | Threats are being managed | Rescue/Supplementation | 19.134567068 | No aspect of biology known to be exceptional | No | Research not dependant upon species | 38 | rescue plan established | Caudata | Plethodontidae |
| | Austin Blind Salamander | United States of America | Vulnerable (VU) | Threats are being managed | Rescue/Supplementation | 19.134567068 | No aspect of biology known to be exceptional | No | Research not dependant upon species | 38 | rescue plan established | Caudata | Plethodontidae |
| | Chiricahua Leopard Frog | Mexico, United States of America | Vulnerable (VU) | Threats are being managed | Rescue/Supplementation | 6.878410402 | No aspect of biology known to be exceptional | No | Research not dependant upon species | 38 | | Anura | Ranidae |
| | San Marcos Salamander | United States of America | Vulnerable (VU) | Threats are being managed | Rescue/Supplementation | 19.134567068 | No aspect of biology known to be exceptional | No | Research not dependant upon species | 38 | rescue plan established | Caudata | Plethodontidae |
| | Texas Blind Salamander | United States of America | Vulnerable (VU) | Threats are being managed | Rescue/Supplementation | 19.134567068 | No aspect of biology known to be exceptional | No | Research not dependant upon species | 38 | | Caudata | Plethodontidae |
| | Olympic Torrent Salamander | United States of America | Vulnerable (VU) | Threats are being managed | Conservation Research | 59.002345966 | No aspect of biology known to be exceptional | No | Research not dependant upon species | 37 | | Caudata | Rhyacotritonidae |
| | Hellbender | United States of America | Near Threatened (NT) | Threats are being managed | Conservation Research | 92.48579987 | Aspect of biology shared with <6 other species | No | Research not dependant upon species | 34 | rescue program priority | Caudata | Cryptobranchidae |
| | Yosemite Toad | United States of America | Endangered (EN) | Threats are being managed | Conservation Research | 4.553204971 | No aspect of biology known to be exceptional | No | Research not dependant upon species | 34 | | Anura | Bufonidae |
| | Relict Leopard Frog | United States of America | Endangered (EN) | Threats are being managed | Conservation Research | 6.878410402 | No aspect of biology known to be exceptional | No | Research not dependant upon species | 34 | consider for inclusion | Anura | Ranidae |
| | California Tiger Salamander | United States of America | Vulnerable (VU) | Threats are being managed | Conservation Research | 42.622766828 | No aspect of biology known to be exceptional | No | Research not dependant upon species | 33 | | Caudata | Ambystomatidae |
| | Desert slender salamander | United States of America | Critically Endangered (CR) | Threats cannot be reversed | Conservation Research | 0 | No aspect of biology known to be exceptional | No | Research not dependant upon species | 33 | | Caudata | Plethodontidae |
| | Houston Toad | United States of America | Endangered (EN) | Threats are reversible in time frame | Rescue/Supplementation | 4.553204971 | No aspect of biology known to be exceptional | No | Research not dependant upon species | 32 | | Anura | Bufonidae |
| | California Giant Salamander | United States of America | Near Threatened (NT) | Threats are being managed | Conservation Research | 57.761836886 | No aspect of biology known to be exceptional | No | Research not dependant upon species | 29 | | Caudata | Dicamptodontidae |
| | Cascade Torrent Salamander | United States of America | Near Threatened (NT) | Threats are being managed | Conservation Research | 59.002345966 | No aspect of biology known to be exceptional | No | Research not dependant upon species | 29 | | Caudata | Rhyacotritonidae |
| | Columbia Torrent Salamander | United States of America | Near Threatened (NT) | Threats are being managed | Conservation Research | 59.002345966 | No aspect of biology known to be exceptional | No | Research not dependant upon species | 29 | | Caudata | Rhyacotritonidae |
| | Burrowing Toad | Belize, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, United States of America | Least Concern (LC) | Threats are reversible in time frame | Conservation Research | 190.673264633 | Aspect of biology identified that is unique to species | No | Research not dependant upon species | 28 | | Anura | Rhinophrynidae |
| | Flatwoods Salamander | United States of America | Vulnerable (VU) | Threats are reversible in time frame | Conservation Research | 42.622766828 | Aspect of biology shared with <6 other species | No | Research not dependant upon species | 28 | | Caudata | Ambystomatidae |
| | Coastal Tailed Frog | Canada, United States of America | Least Concern (LC) | Threats are reversible in time frame | Conservation Research | 109.89290493 | Aspect of biology shared with <6 other species | No | Research dependant upon <6 species (incl. this taxon) | 26 | | Anura | Ascaphidae |
| | Idaho Giant Salamander | United States of America | Least Concern (LC) | Threats are being managed | Conservation Research | 57.761836886 | No aspect of biology known to be exceptional | No | Research not dependant upon species | 25 | | Caudata | Dicamptodontidae |
| | Cope's Giant Salamander | United States of America | Least Concern (LC) | Threats are being managed | Conservation Research | 57.761836886 | No aspect of biology known to be exceptional | No | Research not dependant upon species | 25 | | Caudata | Dicamptodontidae |
| | Red Hills Salamander | United States of America | Endangered (EN) | Threats are reversible in time frame | None | 42.347258278 | Aspect of biology shared with <6 other species | No | Research not dependant upon species | 24 | ATAG research group | Caudata | Plethodontidae |
| | Neuse River Waterdog | United States of America | Near Threatened (NT) | Threats are being managed | None | 103.008538187 | No aspect of biology known to be exceptional | No | Research not dependant upon species | 24 | | Caudata | Proteidae |
| | Narrow-Striped Dwarf Siren | United States of America | Least Concern (LC) | Threats are reversible in time frame | Conservation Research | 107.4937262 | Aspect of biology shared with <6 other species | No | Research not dependant upon species | 23 | | Caudata | Sirenidae |
| | Dwarf Siren | United States of America | Least Concern (LC) | Threats are reversible in time frame | Conservation Research | 107.4937262 | Aspect of biology shared with <6 other species | No | Research not dependant upon species | 23 | | Caudata | Sirenidae |
| | Oregon Spotted Frog | Canada, United States of America | Vulnerable (VU) | Threats are being managed | None | 8.126774325 | No aspect of biology known to be exceptional | No | Research not dependant upon species | 22 | | Anura | Ranidae |
| | | Puerto Rico |