Red-billed Duck vs Robust White-eye

Anas erythrorhyncha compared with Zosterops strenuus

Key Differences

• Red-billed Duck is Least Concern while Robust White-eye is Extinct.

Taxonomic Classification

Rank	Red-billed Duck	Robust White-eye
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Anseriformes (Anseriformes)	Passeriformes (Songbirds)
Family	Anatidae	Zosteropidae
Genus	Anas	Zosterops
Species	Anas erythrorhyncha	Zosterops strenuus

Evolutionary Relationship

Red-billed Duck and Robust White-eye share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

Red-billed Duck

LC — Least Concern

Robust White-eye

EX — Extinct

Physical Characteristics

Attribute	Red-billed Duck	Robust White-eye
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Red-billed Duck

Habitat

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

Range

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

Robust White-eye

Habitat

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

Range

Found in Norway.

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