Common Goldeneye vs Little Black Serotine

Bucephala clangula compared with Eptesicus andinus

Key Differences

• Common Goldeneye is Not Evaluated while Little Black Serotine is Least Concern.

Taxonomic Classification

Rank	Common Goldeneye	Little Black Serotine
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Anseriformes (Anseriformes)	Chiroptera (Bats)
Family	Anatidae	Vespertilionidae
Genus	Bucephala	Eptesicus
Species	Bucephala clangula	Eptesicus andinus

Evolutionary Relationship

Common Goldeneye and Little Black Serotine share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Common Goldeneye

NE — Not Evaluated

Little Black Serotine

LC — Least Concern

Physical Characteristics

Attribute	Common Goldeneye	Little Black Serotine
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Common Goldeneye

Habitat

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

Range

Found across Europe (5 countries) and North America (United States).

Little Black Serotine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

Common Goldeneye

Common Goldeneye (Bucephala clangula) 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.