Amazon Black Howler vs field vole

Alouatta nigerrima compared with Microtus agrestis

Key Differences

• Amazon Black Howler is Least Concern while field vole is Near Threatened.

Taxonomic Classification

Rank	Amazon Black Howler	field vole
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Primates (Primates)	Rodentia (Rodents)
Family	Atelidae	Cricetidae
Genus	Alouatta	Microtus
Species	Alouatta nigerrima	Microtus agrestis

Evolutionary Relationship

Amazon Black Howler and field vole share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Amazon Black Howler

LC — Least Concern

field vole

NT — Near Threatened

Physical Characteristics

Attribute	Amazon Black Howler	field vole
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

field vole

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Belgium, Denmark, Norway, Russia, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

field vole

field vole (Microtus agrestis) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.