Kosrae Starling vs Red-billed Duck

Aplonis corvina compared with Anas erythrorhyncha

Key Differences

• Kosrae Starling is Extinct while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	Kosrae Starling	Red-billed Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Passeriformes (Songbirds)	Anseriformes (Anseriformes)
Family	Sturnidae	Anatidae
Genus	Aplonis	Anas
Species	Aplonis corvina	Anas erythrorhyncha

Evolutionary Relationship

Kosrae Starling and Red-billed Duck share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

Kosrae Starling

EX — Extinct

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Kosrae Starling	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Kosrae Starling

Habitat

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

Range

Found in Norway.

Red-billed Duck

Habitat

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

Range

Found across Europe (6 countries) and South America (Ecuador).

Red-billed Duck

Red-billed Duck (Anas erythrorhyncha) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway