Japanese Weasel vs Short-toed Treecreeper

Mustela itatsi compared with Certhia brachydactyla

Key Differences

• Japanese Weasel is Near Threatened while Short-toed Treecreeper is Least Concern.

Taxonomic Classification

Rank	Japanese Weasel	Short-toed Treecreeper
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)	Certhiidae
Genus	Mustela	Certhia
Species	Mustela itatsi	Certhia brachydactyla

Evolutionary Relationship

Japanese Weasel and Short-toed Treecreeper share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Japanese Weasel

NT — Near Threatened

Short-toed Treecreeper

LC — Least Concern

Physical Characteristics

Attribute	Japanese Weasel	Short-toed Treecreeper
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.

Short-toed Treecreeper

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Short-toed Treecreeper

Short-toed Treecreeper (Certhia brachydactyla) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.