Japanese Weasel vs Sooty Swift

Mustela itatsi compared with Cypseloides fumigatus

Key Differences

• Japanese Weasel is Near Threatened while Sooty Swift is Least Concern.

Taxonomic Classification

Rank	Japanese Weasel	Sooty Swift
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Carnivora (Carnivorans)	Apodiformes (Apodiformes)
Family	Mustelidae (Weasels & Otters)	Apodidae
Genus	Mustela	Cypseloides
Species	Mustela itatsi	Cypseloides fumigatus

Evolutionary Relationship

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

Conservation Status

Japanese Weasel

NT — Near Threatened

Sooty Swift

LC — Least Concern

Physical Characteristics

Attribute	Japanese Weasel	Sooty Swift
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.

Sooty Swift

Habitat

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

Range

Found in Norway.