Red-billed Duck vs White-shouldered Ibis

Anas erythrorhyncha compared with Pseudibis davisoni

Key Differences

• Red-billed Duck is Least Concern while White-shouldered Ibis is Critically Endangered.

Taxonomic Classification

Rank	Red-billed Duck	White-shouldered Ibis
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Anseriformes (Anseriformes)	Pelecaniformes (Pelecaniformes)
Family	Anatidae	Threskiornithidae
Genus	Anas	Pseudibis
Species	Anas erythrorhyncha	Pseudibis davisoni

Evolutionary Relationship

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

Conservation Status

Red-billed Duck

LC — Least Concern

White-shouldered Ibis

CR — Critically Endangered

Physical Characteristics

Attribute	Red-billed Duck	White-shouldered Ibis
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).

White-shouldered Ibis

Habitat

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

Range

Found in Norway. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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