Amazon Black Howler vs Rock Foam

Alouatta nigerrima compared with Stereocaulon saxatile

Key Differences

• Amazon Black Howler is Least Concern while Rock Foam is Near Threatened.

Taxonomic Classification

Rank	Amazon Black Howler	Rock Foam
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Ascomycota (Sac Fungi)
Class	Mammalia (Mammals)	Lecanoromycetes (Lecanoromycetes)
Order	Primates (Primates)	Lecanorales (Lecanorales)
Family	Atelidae	Stereocaulaceae
Genus	Alouatta	Stereocaulon
Species	Alouatta nigerrima	Stereocaulon saxatile

Conservation Status

Amazon Black Howler

LC — Least Concern

Rock Foam

NT — Near Threatened

Physical Characteristics

Attribute	Amazon Black Howler	Rock Foam
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Rock Foam

Habitat

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

Range

Distributed across Denmark, Norway, Sweden, and United States. 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.