Black Howler Monkey vs St. James' shell

Alouatta pigra compared with Pecten maximus

Key Differences

• Black Howler Monkey is Endangered while St. James' shell is Least Concern.

Taxonomic Classification

Rank	Black Howler Monkey	St. James' shell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Bivalvia (Bivalvia)
Order	Primates (Primates)	Pectinida (Pectinida)
Family	Atelidae	Pectinidae
Genus	Alouatta	Pecten
Species	Alouatta pigra	Pecten maximus

Evolutionary Relationship

Black Howler Monkey and St. James' shell share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Black Howler Monkey

EN — Endangered

St. James' shell

LC — Least Concern

Physical Characteristics

Attribute	Black Howler Monkey	St. James' shell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Howler Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

St. James' shell

Habitat

Native to Asia and Europe and South America, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Asia (China), Europe (8 countries), and South America (Chile).

Black Howler Monkey

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

St. James' shell

St. James' shell (Pecten maximus) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.