The Species Black List
Rhipidomys ochrogaster
yellow-bellied climbing mouse
The yellow-bellied climbing mouse (Rhipidomys ochrogaster) was long known only from its original collection in 1901 from southeastern Peru (Puno department).
Status Data Deficient on the IUCN Red List Restriction tier 2, restricted, extent unclear Class Mammalia Realm Neotropical Locality not specified in the source As IUCN records it Rhipidomys ochrogaster J.A. Allen, 1901 This species is one of 3,062 in a list of vertebrates the IUCN Red List records as Data Deficient or has never assessed, ranked by how narrowly restricted the published record says they are. The sentence above is the evidence the tier was read from, quoted from Matthew Richardson, Threatened and Recently Extinct Vertebrates of the World (2023).
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Check this species elsewhere: IUCN Red List · GBIF