Amazon Black Howler vs Least Stonewort

Alouatta nigerrima compared with Nitella confervacea

Key Differences

• Amazon Black Howler is Least Concern while Least Stonewort is Endangered.

Taxonomic Classification

Rank	Amazon Black Howler	Least Stonewort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Charophyta (Charophyta)
Class	Mammalia (Mammals)	Charophyceae (Charophyceae)
Order	Primates (Primates)	Charales (Charales)
Family	Atelidae	Characeae
Genus	Alouatta	Nitella
Species	Alouatta nigerrima	Nitella confervacea

Conservation Status

Amazon Black Howler

LC — Least Concern

Least Stonewort

EN — Endangered

Physical Characteristics

Attribute	Amazon Black Howler	Least Stonewort
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Least Stonewort

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and Sweden. 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.