Barrow's Goldeneye vs Polynesian rat

Bucephala islandica compared with Rattus exulans

Key Differences

Barrow's Goldeneye is Not Evaluated while Polynesian rat is Least Concern.

Taxonomic Classification

Rank	Barrow's Goldeneye	Polynesian rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Anseriformes (Anseriformes)	Rodentia (Rodents)
Family	Anatidae	Muridae (Mice & Rats)
Genus	Bucephala	Rattus
Species	Bucephala islandica	Rattus exulans

Evolutionary Relationship

Barrow's Goldeneye and Polynesian rat share a common ancestor at the Phylum level: Chordata. (Chordates)

View Phylum: Chordata

Conservation Status

Barrow's Goldeneye

NE — Not Evaluated

Polynesian rat

LC — Least Concern

Physical Characteristics

Attribute	Barrow's Goldeneye	Polynesian rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Barrow's Goldeneye

Habitat

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

Range

Found across Europe (8 countries) and North America (United States).

Polynesian rat

Habitat

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

Range

Widely distributed across Asia (6 countries), Europe (United Kingdom), North America (United States), Oceania and the Pacific (11 countries), and South America (Chile).

Barrow's Goldeneye

Barrow's Goldeneye (Bucephala islandica) 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.