Chestnut-backed Chickadee vs Japanese Weasel

Poecile rufescens compared with Mustela itatsi

Key Differences

• Chestnut-backed Chickadee is Least Concern while Japanese Weasel is Near Threatened.

Taxonomic Classification

Rank	Chestnut-backed Chickadee	Japanese Weasel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Passeriformes (Songbirds)	Carnivora (Carnivorans)
Family	Paridae	Mustelidae (Weasels & Otters)
Genus	Poecile	Mustela
Species	Poecile rufescens	Mustela itatsi

Evolutionary Relationship

Chestnut-backed Chickadee and Japanese Weasel share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Chestnut-backed Chickadee

LC — Least Concern

Japanese Weasel

NT — Near Threatened

Physical Characteristics

Attribute	Chestnut-backed Chickadee	Japanese Weasel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Chestnut-backed Chickadee

Habitat

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

Range

Found in Norway.

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.

Chestnut-backed Chickadee

The Chestnut-backed Chickadee (Poecile rufescens) is a species in the genus Poecile. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.