Black-headed Night Monkey vs Brown Widow

Aotus nigriceps compared with Latrodectus geometricus

Key Differences

• Black-headed Night Monkey is Least Concern while Brown Widow is Not Evaluated.

Taxonomic Classification

Rank	Black-headed Night Monkey	Brown Widow
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Arachnida (Arachnids)
Order	Primates (Primates)	Araneae (Araneae)
Family	Aotidae	Theridiidae
Genus	Aotus	Latrodectus
Species	Aotus nigriceps	Latrodectus geometricus

Evolutionary Relationship

Black-headed Night Monkey and Brown Widow share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Black-headed Night Monkey

LC — Least Concern

Brown Widow

NE — Not Evaluated

Physical Characteristics

Attribute	Black-headed Night Monkey	Brown Widow
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-headed Night Monkey

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).

Black-headed Night Monkey

The Black-headed Night Monkey (Aotus nigriceps) is a species in the genus Aotus. 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).