Japanese Weasel vs Noctule

Mustela itatsi compared with Nyctalus noctula

Key Differences

• Japanese Weasel is Near Threatened while Noctule is Vulnerable.

Taxonomic Classification

Rank	Japanese Weasel	Noctule
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Carnivora (Carnivorans)	Chiroptera (Bats)
Family	Mustelidae (Weasels & Otters)	Vespertilionidae
Genus	Mustela	Nyctalus
Species	Mustela itatsi	Nyctalus noctula

Evolutionary Relationship

Japanese Weasel and Noctule share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Japanese Weasel

NT — Near Threatened

Noctule

VU — Vulnerable

Physical Characteristics

Attribute	Japanese Weasel	Noctule
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.

Noctule

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (6 countries). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Noctule

Noctule (Nyctalus noctula) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.