With the help of more than 100  IUCN Species Survival Commission Specialist Groups, Global Wildlife Conservation has compiled the following list of lost species, spanning   more than 160 countries, as part of the Search for Lost Species. We welcome additional nominations and encourage conservationists, scientists and naturalists to launch searches for species on this broad list. Report an observation on the Search for Lost Species iNauralist page.

IUCN Red List of Threatened Species status key:

EX: Entinct
CR (PE): CRITICALLY ENDANGERED (POSSIBLY EXTINCT)
CR: CRITICALLY ENDANGERED
EN: ENDANGERED
VU: VULNERABLE
NT: NEAR THREATENED
LC: Least concern
DD: DATA DEFICIENT

Having trouble viewing on a mobile browser? Click here.