Japanese Weasel vs Marbled Murrelet

Mustela itatsi compared with Brachyramphus marmoratus

Key Differences

• Japanese Weasel is Near Threatened while Marbled Murrelet is Endangered.

Taxonomic Classification

Rank	Japanese Weasel	Marbled Murrelet
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Carnivora (Carnivorans)	Charadriiformes (Charadriiformes)
Family	Mustelidae (Weasels & Otters)	Alcidae
Genus	Mustela	Brachyramphus
Species	Mustela itatsi	Brachyramphus marmoratus

Evolutionary Relationship

Japanese Weasel and Marbled Murrelet share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Japanese Weasel

NT — Near Threatened

Marbled Murrelet

EN — Endangered

Physical Characteristics

Attribute	Japanese Weasel	Marbled Murrelet
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.

Marbled Murrelet

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found in Norway. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.