Amazon Black Howler vs Brown Widow

Alouatta nigerrima compared with Latrodectus geometricus

Key Differences

• Amazon Black Howler is Least Concern while Brown Widow is Not Evaluated.

Taxonomic Classification

Rank	Amazon Black Howler	Brown Widow
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Arachnida (Arachnids)
Order	Primates (Primates)	Araneae (Araneae)
Family	Atelidae	Theridiidae
Genus	Alouatta	Latrodectus
Species	Alouatta nigerrima	Latrodectus geometricus

Evolutionary Relationship

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

Conservation Status

Amazon Black Howler

LC — Least Concern

Brown Widow

NE — Not Evaluated

Physical Characteristics

Attribute	Amazon Black Howler	Brown Widow
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Brown Widow

Habitat

Typically found in terrestrial habitats from forests to deserts.

Range

Widely distributed across Africa (South Africa), Asia (Japan), Europe (7 countries), North America (United States), and South America (Colombia, Ecuador, Peru).

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.

Brown Widow

The Brown Widow (Latrodectus geometricus) is a species in the genus Latrodectus. Typically found in terrestrial habitats from forests to deserts. Its geographic range includes widely distributed across africa (south africa), asia (japan), europe (7 countries), north america (united states), and south america (colombia, ecuador, peru).