The Species Black List
Sylvilagus insonus
Omiliteme cottontail rabbit
The Omiliteme cottontail rabbit (Sylvilagus insonus) is known from fewer than ten specimens collected within a small area of south-central Guerrero, and may possibly be extinct.
Status Data Deficient on the IUCN Red List Restriction tier 1, no restriction stated Class Mammalia Realm Neotropical Locality The Sierra Madre del Sur As IUCN records it Sylvilagus insonus (Nelson, 1904) 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