American marten vs Japanese Weasel

Martes americana compared with Mustela itatsi

Key Differences

• American marten is Least Concern while Japanese Weasel is Near Threatened.

Taxonomic Classification

Rank	American marten	Japanese Weasel
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class same	Mammalia (哺乳類)	Mammalia (哺乳類)
Order same	Carnivora (ネコ目)	Carnivora (ネコ目)
Family same	Mustelidae (Weasels & Otters)	Mustelidae (Weasels & Otters)
Genus	Martes	Mustela
Species	Martes americana	Mustela itatsi

Evolutionary Relationship

American marten and Japanese Weasel share a common ancestor at the Family level: Mustelidae. (Weasels & Otters)

Conservation Status

American marten

LC — Least Concern

Japanese Weasel

NT — Near Threatened

Physical Characteristics

Attribute	American marten	Japanese Weasel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

American marten

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in United States.

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.

American marten

The American marten (Martes americana) is a species in the genus Martes. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.