Cave ground-beetle vs Pallas's squirrel, Red-bellied tree squirrel

Trechus picoensis compared with Callosciurus erythraeus

Key Differences

• Cave ground-beetle is Endangered while Pallas's squirrel, Red-bellied tree squirrel is Not Evaluated.

Taxonomic Classification

Rank	Cave ground-beetle	Pallas's squirrel, Red-bellied tree 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	Callosciurus
Species	Trechus picoensis	Callosciurus erythraeus

Evolutionary Relationship

Cave ground-beetle and Pallas's squirrel, Red-bellied tree squirrel share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Cave ground-beetle

EN — Endangered

Pallas's squirrel, Red-bellied tree squirrel

NE — Not Evaluated

Physical Characteristics

Attribute	Cave ground-beetle	Pallas's squirrel, Red-bellied tree squirrel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Cave ground-beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

Pallas's squirrel, Red-bellied tree squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (China, Japan), Europe (8 countries), and South America (Argentina).

Cave ground-beetle

The Cave ground-beetle (Trechus picoensis) is a species in the genus Trechus. It is currently classified as Endangered on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.