Gray-backed Tailorbird vs Red-billed Duck

Orthotomus derbianus compared with Anas erythrorhyncha

Taxonomic Classification

Rank	Gray-backed Tailorbird	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	Cisticolidae	Anatidae
Genus	Orthotomus	Anas
Species	Orthotomus derbianus	Anas erythrorhyncha

Evolutionary Relationship

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

Conservation Status

Gray-backed Tailorbird

LC — Least Concern

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Gray-backed Tailorbird	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gray-backed Tailorbird

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