Narrow-headed Vole vs Rootless Duckweed

Microtus gregalis compared with Wolffia arrhiza

Key Differences

• Narrow-headed Vole is Least Concern while Rootless Duckweed is Endangered.

Taxonomic Classification

Rank	Narrow-headed Vole	Rootless Duckweed
Kingdom	Animalia (حيوانات)	Plantae (نباتات)
Phylum	Chordata (حبليات)	Magnoliophyta (كاسيات البذور)
Class	Mammalia (ثدييات)	Liliopsida (زنبقانية)
Order	Rodentia (قوارض)	Alismatales (مزماريات)
Family	Cricetidae	Araceae
Genus	Microtus	Wolffia
Species	Microtus gregalis	Wolffia arrhiza

Conservation Status

Narrow-headed Vole

LC — Least Concern

Rootless Duckweed

EN — Endangered

Physical Characteristics

Attribute	Narrow-headed Vole	Rootless Duckweed
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Narrow-headed Vole

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Rootless Duckweed

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, temperate broadleaf and mixed forests, and temperate coniferous forests, among 4 distinct biome types spanning the Indomalayan and Oceanian and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Japan), Europe (10 countries), North America (Canada), and South America (Brazil). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.