Amazon Black Howler vs sei whale

Alouatta nigerrima compared with Balaenoptera borealis

Key Differences

• Amazon Black Howler is Least Concern while sei whale is Endangered.

Taxonomic Classification

Rank	Amazon Black Howler	sei whale
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Primates (Primates)	Cetacea (Whales & Dolphins)
Family	Atelidae	Balaenopteridae (Rorquals)
Genus	Alouatta	Balaenoptera (Rorquals)
Species	Alouatta nigerrima	Balaenoptera borealis

Evolutionary Relationship

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

Conservation Status

Amazon Black Howler

LC — Least Concern

sei whale

EN — Endangered

Physical Characteristics

Attribute	Amazon Black Howler	sei whale
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

sei whale

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and South America (Colombia, Ecuador). 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.