Nerz vs Japanese Weasel

Mustela lutreola compared with Mustela itatsi

Key Differences

• Nerz is Extinct while Japanese Weasel is Near Threatened.

Taxonomic Classification

Rank	Nerz	Japanese Weasel
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class same	Mammalia (Säugetiere)	Mammalia (Säugetiere)
Order same	Carnivora (Raubtiere)	Carnivora (Raubtiere)
Family same	Mustelidae (Weasels & Otters)	Mustelidae (Weasels & Otters)
Genus same	Mustela	Mustela
Species	Mustela lutreola	Mustela itatsi

Evolutionary Relationship

Nerz and Japanese Weasel share a common ancestor at the Genus level: Mustela.

Conservation Status

Nerz

EX — Extinct

Japanese Weasel

NT — Near Threatened

Physical Characteristics

Attribute	Nerz	Japanese Weasel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Nerz

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (6 countries).

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.