Search Threatened Species

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

55,200 species

VU

Thistle Sugarbush

Protea scolymocephala

Declining
EN

Thomas' Blind Snake

Mitophis pyrites

Unknown2
Thomas' Dwarf LemurEN

Thomas' Dwarf Lemur

Cheirogaleus thomasi

Declining1
EN

Thomas' Galliwasp

Celestus macrotus

Unknown1
Thomas's Big-eared BatCR

Thomas's Big-eared Bat

Pharotis imogene

Stable1
Thomas's Giant Deer MouseEN

Thomas's Giant Deer Mouse

Megadontomys thomasi

Stable
VU

Presbytis thomasi

Declining1
VU

Thomas's Vlei Rat

Otomys thomasi

Unknown1
CR

Thomasset's Frog

Sooglossus thomasseti

Unknown1
EN

Thomson's Meadow Brown

Maniola halicarnassus

Unknown2
Eudiscoderma thongareeaeCR

Eudiscoderma thongareeae

Declining1
Thor's FritillaryCR

Thor's Fritillary

Boloria thore

Unknown
VU

Thorntail Mountain Lizard

Phymaturus mallimaccii

Unknown1
VU

Thornton's Rocket Frog

Colostethus thorntoni

Declining1
VU

Thorny Seahorse

Hippocampus histrix

Declining3
VU

Thorny Skate

Amblyraja radiata

Declining22
EN

Thorny Spikethumb Frog

Plectrohyla acanthodes

Declining2
EN

Thorny Tree Frog

Gracixalus lumarius

Declining1
CR

Thorny Whipray

Fontitrygon ukpam

Declining5
CR

Thracian Shad

Alosa vistonica

Unknown1
Threadfin PorgyEN

Threadfin Porgy

Evynnis cardinalis

Declining7
Threadstemmed EncycliaCR

Threadstemmed Encyclia

Encyclia nematocaulon

Unknown
CR

Three Forks Springsnail

Pyrgulopsis trivialis

Declining1
EN

Three Horned-scaled Pitviper

Protobothrops sieversorum

Unknown2
CR

Three Kings Kaikomako

Pennantia baylisiana

Stable1