Greater Scaup vs Noble Brush-tailed Mouse

Aythya marila compared with Calomyscus grandis

Key Differences

• Greater Scaup is Vulnerable while Noble Brush-tailed Mouse is Data Deficient.

Taxonomic Classification

Rank	Greater Scaup	Noble 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 marila	Calomyscus grandis

Evolutionary Relationship

Greater Scaup and Noble Brush-tailed Mouse share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Greater Scaup

VU — Vulnerable

Noble Brush-tailed Mouse

DD — Data Deficient

Physical Characteristics

Attribute	Greater Scaup	Noble Brush-tailed Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Greater Scaup

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Noble Brush-tailed Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Greater Scaup

Greater Scaup (Aythya marila) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.