False widow vs Lesser Yellow-shouldered Bat

Steatoda bipunctata compared with Sturnira nana

Key Differences

• False widow is Least Concern while Lesser Yellow-shouldered Bat is Endangered.

Taxonomic Classification

Rank	False widow	Lesser Yellow-shouldered 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	Steatoda	Sturnira
Species	Steatoda bipunctata	Sturnira nana

Evolutionary Relationship

False widow and Lesser Yellow-shouldered Bat share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

False widow

LC — Least Concern

Lesser Yellow-shouldered Bat

EN — Endangered

Physical Characteristics

Attribute	False widow	Lesser Yellow-shouldered Bat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

False widow

Habitat

Typically found in terrestrial habitats from forests to deserts.

Range

Found across Europe (4 countries) and North America (Canada, United States).

Lesser Yellow-shouldered Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.