Brown Widow vs Common Sword-nosed Bat

Latrodectus geometricus compared with Lonchorhina aurita

Key Differences

• Brown Widow is Not Evaluated while Common Sword-nosed Bat is Least Concern.

Taxonomic Classification

Rank	Brown Widow	Common Sword-nosed Bat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Arachnida (Arachnids)	Mammalia (Mammals)
Order	Araneae (Araneae)	Chiroptera (Bats)
Family	Theridiidae	Phyllostomidae
Genus	Latrodectus	Lonchorhina
Species	Latrodectus geometricus	Lonchorhina aurita

Evolutionary Relationship

Brown Widow and Common Sword-nosed Bat share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brown Widow

NE — Not Evaluated

Common Sword-nosed Bat

LC — Least Concern

Physical Characteristics

Attribute	Brown Widow	Common Sword-nosed Bat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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).

Common Sword-nosed Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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).

Common Sword-nosed Bat

<em>Lonchorhina aurita</em>, the common sword-nosed bat, is a microchiropteran bat in the family Phyllostomidae, order Chiroptera. It is distributed across northern South America, with confirmed records from Colombia, Ecuador, and Venezuela, typically roosting in caves, tunnels, and hollow trees in humid tropical forests. The species is named for its exceptionally elongated, sword-like noseleaf, one of the most prominent of any bat species, which is thought to play a role in echolocation signal emission and directionality. <em>Lonchorhina aurita</em> is insectivorous, feeding primarily on insects captured in flight through echolocation within forested environments. It is typically gregarious, roosting in colonies that may include hundreds of individuals. Biological traits including average lifespan, body mass, and forearm length under field conditions remain poorly documented in the scientific literature. The species is assessed as Least Concern by the IUCN, with a reasonably broad distribution and populations that are not currently under severe threat, though continued deforestation and cave disturbance in South America may pose growing risks to local colonies over the long term.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇪🇨 Ecuador