Search Threatened Species
Explore the IUCN Red List by name, group, country, status, and population trend.
54,666 species
CRRidge Tail Salamander
Pseudoeurycea obesa
Unknown1country
VU
Ridge-fruited Mallee
Eucalyptus angulosa
Stable1country
EN
Ridgetop Guavaberry
Myrciaria myrtifolia
Unknown1country
CR
Ridgway's Hawk
Buteo ridgwayi
Increasing4countries
VU
Ridley's Leaf-nosed Bat
Hipposideros ridleyi
Declining5countries
VU
Riffle Barbel
Luciobarbus zayanensis
Declining
EN
Riffle Chub
Algansea aphanea
Declining1country
VU
Rigid Aloe-moss
Aloina rigida
Unknown
EN
Rigid Muggiegrass
Adenogramma rigida
Declining1country
EN
Rilett's Mushroomtongue Salamander
Bolitoglossa riletti
Declining1country
ENRiley's Opal
Chrysoritis rileyi
Unknown1country
ENrim lichen
Lecanora confusa
Unknown
VUrim lichen
Lecanora impudens
Unknown
VUrim lichen
Lecanora orae-frigidae
Unknown
EN
Rim lichen
Squamarina lentigera
Unknown
VU
Rimac Water Frog
Telmatobius rimac
Declining1country
ENRimatara Lorikeet
Vini kuhlii
Stable4countries
CRRimatara Reed-warbler
Acrocephalus rimitarae
Declining1country
CRRimmed Wart Lichen
Varicellaria velata
Unknown
ENRing-tailed Lemur
Lemur catta
Declining1country
VURing-tailed Pigeon
Patagioenas caribaea
Declining1country
EN
Ring-wearing Tree Frog
Guibemantis annulatus
Declining1country
VURinged China-mark
Parapoynx stratiotata
Unknown44countries
ENRinged Guitarfish
Rhinobatos hynnicephalus
Declining7countries
VURinged Manticore
Morunasaurus annularis
Unknown