Ferruginous Duck vs Hotson’s Brush-tailed Mouse

Aythya nyroca compared with Calomyscus hotsoni

Key Differences

• Ferruginous Duck is Not Evaluated while Hotson’s Brush-tailed Mouse is Least Concern.

Taxonomic Classification

Rank	Ferruginous Duck	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 nyroca	Calomyscus hotsoni

Evolutionary Relationship

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

Conservation Status

Ferruginous Duck

NE — Not Evaluated

Hotson’s Brush-tailed Mouse

LC — Least Concern

Physical Characteristics

Attribute	Ferruginous Duck	Hotson’s Brush-tailed Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Ferruginous Duck

Habitat

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

Range

Found across Asia (Taiwan) and Europe (8 countries).

Hotson’s Brush-tailed Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Ferruginous Duck

Ferruginous Duck (Aythya nyroca) is classified as Not Evaluated (NE) on the IUCN Red List. Not yet evaluated against IUCN Red List criteria. Conservation status remains to be determined.