Eastern Small-Footed Bat vs Lesser Siren

Myotis leibii compared with Siren intermedia

Key Differences

• Eastern Small-Footed Bat is Endangered while Lesser Siren is Least Concern.

Taxonomic Classification

Rank	Eastern Small-Footed Bat	Lesser Siren
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Amphibia (Amphibians)
Order	Chiroptera (Bats)	Caudata (Caudata)
Family	Vespertilionidae	Sirenidae
Genus	Myotis	Siren
Species	Myotis leibii	Siren intermedia

Evolutionary Relationship

Eastern Small-Footed Bat and Lesser Siren share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Eastern Small-Footed Bat

EN — Endangered

Lesser Siren

LC — Least Concern

Physical Characteristics

Attribute	Eastern Small-Footed Bat	Lesser Siren
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.

Lesser Siren

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Range

Distributed across Belgium and Mexico.