Cave ground-beetle vs Long-tailed Ground Squirrel

Trechus pereirai compared with Urocitellus undulatus

Key Differences

• Cave ground-beetle is Critically Endangered while Long-tailed Ground Squirrel is Least Concern.

Taxonomic Classification

Rank	Cave ground-beetle	Long-tailed Ground Squirrel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Coleoptera (Beetles)	Rodentia (Rodents)
Family	Carabidae	Sciuridae (Squirrels)
Genus	Trechus	Urocitellus
Species	Trechus pereirai	Urocitellus undulatus

Evolutionary Relationship

Cave ground-beetle and Long-tailed Ground Squirrel share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Cave ground-beetle

CR — Critically Endangered

Long-tailed Ground Squirrel

LC — Least Concern

Physical Characteristics

Attribute	Cave ground-beetle	Long-tailed Ground Squirrel
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.

Long-tailed Ground Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.