Amazon Black Howler vs Eurasian Marsh-Harrier

Alouatta nigerrima compared with Circus aeruginosus

Key Differences

• Amazon Black Howler is Least Concern while Eurasian Marsh-Harrier is Endangered.

Taxonomic Classification

Rank	Amazon Black Howler	Eurasian Marsh-Harrier
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Accipitriformes (Hawks & Eagles)
Family	Atelidae	Accipitridae (Hawks & Eagles)
Genus	Alouatta	Circus
Species	Alouatta nigerrima	Circus aeruginosus

Evolutionary Relationship

Amazon Black Howler and Eurasian Marsh-Harrier share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Amazon Black Howler

LC — Least Concern

Eurasian Marsh-Harrier

EN — Endangered

Physical Characteristics

Attribute	Amazon Black Howler	Eurasian Marsh-Harrier
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Eurasian Marsh-Harrier

Habitat

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

Range

Found across Asia (Taiwan) and Europe (6 countries). Currently classified as 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.

Eurasian Marsh-Harrier

Eurasian Marsh-Harrier (Circus aeruginosus) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.