Japanese Weasel vs Peale’s Free-tailed Bat

Mustela itatsi compared with Nyctinomops aurispinosus

Key Differences

• Japanese Weasel is Near Threatened while Peale’s Free-tailed Bat is Least Concern.

Taxonomic Classification

Rank	Japanese Weasel	Peale’s Free-tailed Bat
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class same	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order	Carnivora (สัตว์กินเนื้อ)	Chiroptera (ค้างคาว)
Family	Mustelidae (Weasels & Otters)	Molossidae
Genus	Mustela	Nyctinomops
Species	Mustela itatsi	Nyctinomops aurispinosus

Evolutionary Relationship

Japanese Weasel and Peale’s Free-tailed Bat share a common ancestor at the Class level: Mammalia. (สัตว์เลี้ยงลูกด้วยน้ำนม)

Conservation Status

Japanese Weasel

NT — Near Threatened

Peale’s Free-tailed Bat

LC — Least Concern

Physical Characteristics

Attribute	Japanese Weasel	Peale’s Free-tailed 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.

Peale’s Free-tailed Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.