Common Pochard vs Hotson’s Brush-tailed Mouse

Aythya ferina compared with Calomyscus hotsoni

Key Differences

• Common Pochard is Near Threatened while Hotson’s Brush-tailed Mouse is Least Concern.

Taxonomic Classification

Rank	Common Pochard	Hotson’s Brush-tailed Mouse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Anseriformes (Anseriformes)	Rodentia (Rodents)
Family	Anatidae	Calomyscidae
Genus	Aythya	Calomyscus
Species	Aythya ferina	Calomyscus hotsoni

Evolutionary Relationship

Common Pochard and Hotson’s Brush-tailed Mouse share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Common Pochard

NT — Near Threatened

Hotson’s Brush-tailed Mouse

LC — Least Concern

Physical Characteristics

Attribute	Common Pochard	Hotson’s Brush-tailed Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Common Pochard

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (8 countries), and North America (United States). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Hotson’s Brush-tailed Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Common Pochard

Common Pochard (Aythya ferina) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.