Eastern Small-Footed Bat vs Gianna’s Yellow-shouldered Bat

Myotis leibii compared with Sturnira giannae

Key Differences

• Eastern Small-Footed Bat is Endangered while Gianna’s Yellow-shouldered Bat is Least Concern.

Taxonomic Classification

Rank	Eastern Small-Footed Bat	Gianna’s Yellow-shouldered Bat
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class same	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order same	Chiroptera (ค้างคาว)	Chiroptera (ค้างคาว)
Family	Vespertilionidae	Phyllostomidae
Genus	Myotis	Sturnira
Species	Myotis leibii	Sturnira giannae

Evolutionary Relationship

Eastern Small-Footed Bat and Gianna’s Yellow-shouldered Bat share a common ancestor at the Order level: Chiroptera. (ค้างคาว)

Conservation Status

Eastern Small-Footed Bat

EN — Endangered

Gianna’s Yellow-shouldered Bat

LC — Least Concern

Physical Characteristics

Attribute	Eastern Small-Footed Bat	Gianna’s Yellow-shouldered Bat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Eastern Small-Footed Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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

Gianna’s Yellow-shouldered Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador.