Search Threatened Species

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

55,200 species

CR

Brown Dry Forest Giant Pill-Millipede

Zoosphaerium xerophilum

Declining1
Brown Egg FrogEN

Brown Egg Frog

Ctenophryne geayi

Unknown9
CR

Brown False Brook Salamander

Pseudoeurycea brunnata

Declining2
EN

Brown False Shieldback

Aroegas fuscus

Unknown1
Brown FlapwortVU

Brown Flapwort

Odontoschisma elongatum

Unknown
Brown GalingaleCR

Brown Galingale

Cyperus fuscus

Unknown
Brown GobletEN

Brown Goblet

Arrhenia epichysium

Unknown
Brown GuitarfishCR

Brown Guitarfish

Rhinobatos schlegelii

Declining15
Brown HairstreakVU

Brown Hairstreak

Thecla betulae

Unknown50
VU

Brown Howler Monkey

Alouatta guariba

Declining2
VU

Brown Lemur

Eulemur fulvus

Declining2
VU

Brown Mesite

Mesitornis unicolor

Declining1
Brown MudfishEN

Brown Mudfish

Neochanna apoda

Declining1
VU

Brown Numbfish

Narcine timlei

Declining16
CR

Brown Red-bellied Anole

Anolis koopmani

Declining1
Brown Shield-mossVU

Brown Shield-moss

Buxbaumia aphylla

Unknown
VU

Brown Shyshark

Haploblepharus fuscus

Declining1
EN

Brown Skyhopper

Kosciuscola cuneatus

Unknown1
Brown SmoothhoundVU

Brown Smoothhound

Mustelus henlei

Unknown10
EN

Brown Spined Loach

Cobitis puncticulata

Declining2
VU

Brown Stingray

Bathytoshia lata

Declining
VU

Brown Titi Monkey

Plecturocebus brunneus

Declining1
Brown Tree-PipitEN

Brown Tree-Pipit

Anthus trivialis

Unknown
Brown-backed DoveVU

Brown-backed Dove

Leptotila battyi

Declining1
Brown-banded AntpittaVU

Brown-banded Antpitta

Grallaria milleri

Declining1