Amazon Black Howler vs Cave ground-beetle

Alouatta nigerrima compared with Trechus isabelae

Key Differences

• Amazon Black Howler is Least Concern while Cave ground-beetle is Vulnerable.

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 isabelae

Evolutionary Relationship

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

Conservation Status

Amazon Black Howler

LC — Least Concern

Cave ground-beetle

VU — Vulnerable

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

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found in Portugal. Currently classified as Vulnerable 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 isabelae) is a species in the genus Trechus. It is currently classified as Vulnerable on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.