Japanese Weasel vs Marañon Crescentchest

Mustela itatsi compared with Melanopareia maranonica

Key Differences

• Japanese Weasel is Near Threatened while Marañon Crescentchest is Least Concern.

Taxonomic Classification

Rank	Japanese Weasel	Marañon Crescentchest
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Carnivora (Carnivorans)	Passeriformes (Songbirds)
Family	Mustelidae (Weasels & Otters)	Melanopareiidae
Genus	Mustela	Melanopareia
Species	Mustela itatsi	Melanopareia maranonica

Evolutionary Relationship

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

Conservation Status

Japanese Weasel

NT — Near Threatened

Marañon Crescentchest

LC — Least Concern

Physical Characteristics

Attribute	Japanese Weasel	Marañon Crescentchest
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.

Marañon Crescentchest

Habitat

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

Range

Distributed across Ecuador and Norway.