Eastern Small-Footed Bat vs Ruff

Myotis leibii compared with Calidris pugnax

Key Differences

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

Taxonomic Classification

Rank	Eastern Small-Footed Bat	Ruff
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Charadriiformes (Charadriiformes)
Family	Vespertilionidae	Scolopacidae
Genus	Myotis	Calidris
Species	Myotis leibii	Calidris pugnax

Evolutionary Relationship

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

Conservation Status

Eastern Small-Footed Bat

EN — Endangered

Ruff

LC — Least Concern

Physical Characteristics

Attribute	Eastern Small-Footed Bat	Ruff
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.

Ruff

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), North America (United States), and South America (Colombia, Venezuela).

Ruff

Ruff (Calidris pugnax) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 1 countries:

🇺🇸 United States