Red-billed Duck vs Rough-faced shag

Anas erythrorhyncha compared with Leucocarbo carunculatus

Key Differences

• Red-billed Duck is Least Concern while Rough-faced shag is Vulnerable.

Taxonomic Classification

Rank	Red-billed Duck	Rough-faced shag
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Anseriformes (Anseriformes)	Suliformes (Suliformes)
Family	Anatidae	Phalacrocoracidae
Genus	Anas	Leucocarbo
Species	Anas erythrorhyncha	Leucocarbo carunculatus

Evolutionary Relationship

Red-billed Duck and Rough-faced shag share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

Red-billed Duck

LC — Least Concern

Rough-faced shag

VU — Vulnerable

Physical Characteristics

Attribute	Red-billed Duck	Rough-faced shag
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).

Rough-faced shag

Habitat

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

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.