Japanese Weasel vs Orange-vented Mason Bee

Mustela itatsi compared with Osmia leaiana

Key Differences

• Japanese Weasel is Near Threatened while Orange-vented Mason Bee is Least Concern.

Taxonomic Classification

Rank	Japanese Weasel	Orange-vented Mason Bee
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Carnivora (Carnivorans)	Hymenoptera (Ants, Bees & Wasps)
Family	Mustelidae (Weasels & Otters)	Megachilidae
Genus	Mustela	Osmia
Species	Mustela itatsi	Osmia leaiana

Evolutionary Relationship

Japanese Weasel and Orange-vented Mason Bee share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Japanese Weasel

NT — Near Threatened

Orange-vented Mason Bee

LC — Least Concern

Physical Characteristics

Attribute	Japanese Weasel	Orange-vented Mason Bee
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.

Orange-vented Mason Bee

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Luxembourg, Norway, and Sweden.