Cave ground-beetle vs Darwin s Nesoryzomys

Trechus pereirai compared with Nesoryzomys darwini

Key Differences

• Cave ground-beetle is Critically Endangered while Darwin s Nesoryzomys is Extinct.

Taxonomic Classification

Rank	Cave ground-beetle	Darwin s Nesoryzomys
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Coleoptera (Beetles)	Rodentia (Rodents)
Family	Carabidae	Cricetidae
Genus	Trechus	Nesoryzomys
Species	Trechus pereirai	Nesoryzomys darwini

Evolutionary Relationship

Cave ground-beetle and Darwin s Nesoryzomys share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Cave ground-beetle

CR — Critically Endangered

Darwin s Nesoryzomys

EX — Extinct

Physical Characteristics

Attribute	Cave ground-beetle	Darwin s Nesoryzomys
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Cave ground-beetle

Habitat

Inhabits temperate broadleaf and mixed forests and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Portugal. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Darwin s Nesoryzomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador.

Cave ground-beetle

The Cave ground-beetle (Trechus pereirai) is a species in the genus Trechus. It is currently classified as Critically Endangered on the IUCN Red List. Inhabits temperate broadleaf and mixed forests and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.