Lesser Yellow-shouldered Bat vs Peale’s Free-tailed Bat

Sturnira nana compared with Nyctinomops aurispinosus

Key Differences

• Lesser Yellow-shouldered Bat is Endangered while Peale’s Free-tailed Bat is Least Concern.

Taxonomic Classification

Rank	Lesser Yellow-shouldered Bat	Peale’s Free-tailed Bat
Kingdom same	Animalia (hayvan)	Animalia (hayvan)
Phylum same	Chordata (Kordalılar)	Chordata (Kordalılar)
Class same	Mammalia (memeliler)	Mammalia (memeliler)
Order same	Chiroptera (yarasa)	Chiroptera (yarasa)
Family	Phyllostomidae	Molossidae
Genus	Sturnira	Nyctinomops
Species	Sturnira nana	Nyctinomops aurispinosus

Evolutionary Relationship

Lesser Yellow-shouldered Bat and Peale’s Free-tailed Bat share a common ancestor at the Order level: Chiroptera. (yarasa)

Conservation Status

Lesser Yellow-shouldered Bat

EN — Endangered

Peale’s Free-tailed Bat

LC — Least Concern

Physical Characteristics

Attribute	Lesser Yellow-shouldered Bat	Peale’s Free-tailed Bat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Peale’s Free-tailed Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.