Black Howler Monkey vs chestnut worm

Alouatta pigra compared with Lumbricus castaneus

Key Differences

• Black Howler Monkey is Endangered while chestnut worm is Not Evaluated.

Taxonomic Classification

Rank	Black Howler Monkey	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 pigra	Lumbricus castaneus

Evolutionary Relationship

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

Conservation Status

Black Howler Monkey

EN — Endangered

chestnut worm

NE — Not Evaluated

Physical Characteristics

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

Habitat & Geographic Range

Black Howler Monkey

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.

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.

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.