Search Threatened Species

Explore the IUCN Red List by name, group, country, status, and population trend.

55,200 species

CR

Carvalho's Button Frog

Cycloramphus heyeri

Declining
Carvalho's tree toadEN

Carvalho's tree toad

Dendrophryniscus carvalhoi

Unknown1
VU

Cascade Caverns Salamander

Eurycea latitans

Declining1
EN

Cascade Sugarbush

Protea venusta

Declining1
EN

Cascas Andes Frog

Phrynopus montium

Declining1
EN

Casilda's Anole

Anolis casildae

Unknown1
EN

Caspian Bilacunaria

Bilacunaria caspia

Declining1
Caspian KnotweedCR

Caspian Knotweed

Polygonum caspicum

Declining1
Caspian PoplarEN

Caspian Poplar

Populus caspica

Declining2
EN

Caspian Seal

Pusa caspica

Unknown1
Caspian TernCR

Caspian Tern

Hydroprogne caspia

Unknown
VU

Caspian Treacle Mustard

Erysimum caspicum

Stable1
VU

Cassagnau's Cave-cricket

Dolichopoda cassagnaui

Unknown1
Cassava CroakerEN

Cassava Croaker

Pseudotolithus senegalensis

Declining25
CassiaVU

Cassia

Senna pendula

Unknown
EN

Cassine River Worm Lizard

Cynisca oligopholis

Unknown1
EN

Castillon Anole

Anolis rupinae

Declining1
Castle Crags IvesiaCR

Castle Crags Ivesia

Ivesia longibracteata

Unknown1
Castleton's Flightless KatydidCR

Castleton's Flightless Katydid

Austrodontura castletoni

Unknown1
EN

Calliophis castoe

Unknown1
Casuhatien AnoleCR

Casuhatien Anole

Pristidactylus casuhatiensis

Unknown1
Cat Ba Hooded Black Leaf MonkeyCR

Cat Ba Hooded Black Leaf Monkey

Trachypithecus poliocephalus

Increasing1
EN

Cat Ba Shrub Frog

Philautus catbaensis

Declining1
EN

Cat Ba Tiger Gecko

Goniurosaurus catbaensis

Unknown2
Catacol WhitebeamCR

Catacol Whitebeam

Sorbus pseudomeinichii

Declining