Japanese Weasel vs Whiskered brome

Mustela itatsi compared with Bromus grossus

Key Differences

• Japanese Weasel is Near Threatened while Whiskered brome is Critically Endangered.

Taxonomic Classification

Rank	Japanese Weasel	Whiskered brome
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Liliopsida (Monocots)
Order	Carnivora (Carnivorans)	Poales (Grasses)
Family	Mustelidae (Weasels & Otters)	Poaceae (Grass Family)
Genus	Mustela	Bromus
Species	Mustela itatsi	Bromus grossus

Conservation Status

Japanese Weasel

NT — Near Threatened

Whiskered brome

CR — Critically Endangered

Physical Characteristics

Attribute	Japanese Weasel	Whiskered brome
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.

Whiskered brome

Habitat

Inhabits temperate broadleaf and mixed forests and temperate coniferous forests within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (5 countries) and North America (United States). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.