Allen's Big-eared Bat vs Brown Widow

Idionycteris phyllotis compared with Latrodectus geometricus

Key Differences

• Allen's Big-eared Bat is Least Concern while Brown Widow is Not Evaluated.

Taxonomic Classification

Rank	Allen's Big-eared Bat	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	Idionycteris	Latrodectus
Species	Idionycteris phyllotis	Latrodectus geometricus

Evolutionary Relationship

Allen's Big-eared Bat and Brown Widow share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Allen's Big-eared Bat

LC — Least Concern

Brown Widow

NE — Not Evaluated

Physical Characteristics

Attribute	Allen's Big-eared Bat	Brown Widow
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Allen's Big-eared Bat

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).

Allen's Big-eared Bat

The Allen's Big-eared Bat (Idionycteris phyllotis) is a species in the genus Idionycteris. 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).