Amazon Black Howler vs Cave ground-beetle

Alouatta nigerrima compared with Trechus montanheirorum

Key Differences

Amazon Black Howler is Least Concern while Cave ground-beetle is Critically Endangered.

Taxonomic Classification

Rank	Amazon Black Howler	Cave ground-beetle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Primates (Primates)	Coleoptera (Beetles)
Family	Atelidae	Carabidae
Genus	Alouatta	Trechus
Species	Alouatta nigerrima	Trechus montanheirorum

Evolutionary Relationship

Amazon Black Howler and Cave ground-beetle share a common ancestor at the Kingdom level: Animalia. (Animals)

View Kingdom: Animalia

Conservation Status

Amazon Black Howler

LC — Least Concern

Cave ground-beetle

CR — Critically Endangered

Physical Characteristics

Attribute	Amazon Black Howler	Cave ground-beetle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Amazon Black Howler

The Amazon Black Howler (Alouatta nigerrima) is a species in the genus Alouatta. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

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.