Japanese Weasel vs Lesser Sac-winged Bat

Mustela itatsi compared with Saccopteryx leptura

Key Differences

• Japanese Weasel is Near Threatened while Lesser Sac-winged Bat is Least Concern.

Taxonomic Classification

Rank	Japanese Weasel	Lesser Sac-winged Bat
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (mammifères)	Mammalia (mammifères)
Order	Carnivora (carnivores)	Chiroptera (Bats)
Family	Mustelidae (Weasels & Otters)	Emballonuridae
Genus	Mustela	Saccopteryx
Species	Mustela itatsi	Saccopteryx leptura

Evolutionary Relationship

Japanese Weasel and Lesser Sac-winged Bat share a common ancestor at the Class level: Mammalia. (mammifères)

Conservation Status

Japanese Weasel

NT — Near Threatened

Lesser Sac-winged Bat

LC — Least Concern

Physical Characteristics

Attribute	Japanese Weasel	Lesser Sac-winged Bat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Japanese Weasel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Japan. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Lesser Sac-winged Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.