Red-billed Duck vs Rusty-backed Spinetail

Anas erythrorhyncha compared with Cranioleuca vulpina

Taxonomic Classification

Rank	Red-billed Duck	Rusty-backed Spinetail
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	Furnariidae
Genus	Anas	Cranioleuca
Species	Anas erythrorhyncha	Cranioleuca vulpina

Evolutionary Relationship

Red-billed Duck and Rusty-backed Spinetail share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

Red-billed Duck

LC — Least Concern

Rusty-backed Spinetail

LC — Least Concern

Physical Characteristics

Attribute	Red-billed Duck	Rusty-backed Spinetail
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).

Rusty-backed Spinetail

Habitat

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

Range

Distributed across Colombia, Norway, and Venezuela.

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