Search Threatened Species

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

55,200 species

VU

Blue Marlin

Makaira nigricans

Declining2
Blue Moor-grassCR

Blue Moor-grass

Sesleria caerulea

Unknown
EN

Blue Mountain Anole

Anolis reconditus

Declining1
EN

Blue Mountain Rockfrog

Eleutherodactylus glaucoreius

Declining1
Blue Mountain Water SkinkEN

Blue Mountain Water Skink

Eulamprus leuraensis

Declining1
Blue Mountain YaccaCR

Blue Mountain Yacca

Podocarpus urbanii

Declining1
VU

Blue Mountains Perch

Macquaria sp. nov. 'Hawkesbury'

Declining
Blue Orchid AulonocaraCR

Blue Orchid Aulonocara

Aulonocara kandeense

Stable1
Blue PouchwortCR

Blue Pouchwort

Calypogeia azurea

Unknown34
VU

Blue Rainbowfish

Melanotaenia caerulea

Declining1
Blue Ridge Gray-cheeked SalamanderEN

Blue Ridge Gray-cheeked Salamander

Plethodon amplus

Declining1
EN

Blue Rivulus

Cynodonichthys glaucus

Unknown1
EN

Blue Shiner

Cyprinella caerulea

Declining
Blue Speckled Tree MonitorEN

Blue Speckled Tree Monitor

Varanus macraei

Unknown
Blue StarCR

Blue Star

Amsonia orientalis

Declining2
Blue Star Sun-orchidCR

Blue Star Sun-orchid

Thelymitra hygrophila

Declining1
EN

Blue Swallow

Hirundo atrocaerulea

Declining11
Blue ToothCR

Blue Tooth

Hydnellum caeruleum

Unknown39
Blue Water SpeedwellVU

Blue Water Speedwell

Veronica anagallis-aquatica

Unknown117
Blue WhaleEN

Blue Whale

Balaenoptera musculus

Increasing24
EN

Blue-and-orange Threadtail

Protoneura caligata

Unknown1
EN

Blue-backed Parrot

Tanygnathus everetti

Declining1
Blue-bearded HelmetcrestEN

Blue-bearded Helmetcrest

Oxypogon cyanolaemus

Declining1
VU

Blue-breasted Parrot

Pionus reichenowi

Declining1
Blue-crowned LaughingthrushCR

Blue-crowned Laughingthrush

Pterorhinus courtoisi

Declining1