Amazon Black Howler vs chestnut worm

Alouatta nigerrima compared with Lumbricus castaneus

Key Differences

• Amazon Black Howler is Least Concern while chestnut worm is Not Evaluated.

Taxonomic Classification

Rank	Amazon Black Howler	chestnut worm
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Annelida (Segmented Worms)
Class	Mammalia (Mammals)	Clitellata (Clitellata)
Order	Primates (Primates)	Crassiclitellata (Crassiclitellata)
Family	Atelidae	Lumbricidae
Genus	Alouatta	Lumbricus
Species	Alouatta nigerrima	Lumbricus castaneus

Evolutionary Relationship

Amazon Black Howler and chestnut worm share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Amazon Black Howler

LC — Least Concern

chestnut worm

NE — Not Evaluated

Physical Characteristics

Attribute	Amazon Black Howler	chestnut worm
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

chestnut worm

Habitat

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

Range

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

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.

chestnut worm

The chestnut worm (Lumbricus castaneus) is a species in the genus Lumbricus. Native to Europe and North America, inhabiting ecosystems characteristic of the region.