Japanese Weasel vs White-shouldered Ibis

Mustela itatsi compared with Pseudibis davisoni

Key Differences

• Japanese Weasel is Near Threatened while White-shouldered Ibis is Critically Endangered.

Taxonomic Classification

Rank	Japanese Weasel	White-shouldered Ibis
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Carnivora (Carnivorans)	Pelecaniformes (Pelecaniformes)
Family	Mustelidae (Weasels & Otters)	Threskiornithidae
Genus	Mustela	Pseudibis
Species	Mustela itatsi	Pseudibis davisoni

Evolutionary Relationship

Japanese Weasel and White-shouldered Ibis share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Japanese Weasel

NT — Near Threatened

White-shouldered Ibis

CR — Critically Endangered

Physical Characteristics

Attribute	Japanese Weasel	White-shouldered Ibis
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.

White-shouldered Ibis

Habitat

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

Range

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