Black Myotis vs Brown Widow

Myotis nigricans compared with Latrodectus geometricus

Key Differences

• Black Myotis is Least Concern while Brown Widow is Not Evaluated.

Taxonomic Classification

Rank	Black Myotis	Brown Widow
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Arachnida (Arachnids)
Order	Chiroptera (Bats)	Araneae (Araneae)
Family	Vespertilionidae	Theridiidae
Genus	Myotis	Latrodectus
Species	Myotis nigricans	Latrodectus geometricus

Evolutionary Relationship

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

Conservation Status

Black Myotis

LC — Least Concern

Brown Widow

NE — Not Evaluated

Physical Characteristics

Attribute	Black Myotis	Brown Widow
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Myotis

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

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 Myotis

The Black Myotis (Myotis nigricans) is a species in the genus Myotis. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems. Its geographic range spans Distributed across Colombia, Ecuador, and Venezuela.

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).

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇪🇨 Ecuador