Cave ground-beetle vs Yellow-billed Cacique

Trechus montanheirorum compared with Amblycercus holosericeus

Key Differences

• Cave ground-beetle is Critically Endangered while Yellow-billed Cacique is Least Concern.

Taxonomic Classification

Rank	Cave ground-beetle	Yellow-billed Cacique
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Aves (Birds)
Order	Coleoptera (Beetles)	Passeriformes (Songbirds)
Family	Carabidae	Icteridae
Genus	Trechus	Amblycercus
Species	Trechus montanheirorum	Amblycercus holosericeus

Evolutionary Relationship

Cave ground-beetle and Yellow-billed Cacique share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Cave ground-beetle

CR — Critically Endangered

Yellow-billed Cacique

LC — Least Concern

Physical Characteristics

Attribute	Cave ground-beetle	Yellow-billed Cacique
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.

Yellow-billed Cacique

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Cave ground-beetle

The Cave ground-beetle (Trechus montanheirorum) 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.

Yellow-billed Cacique

Yellow-billed Cacique (Amblycercus holosericeus) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.