Red-billed Duck vs Ruby-Crowned Kinglet

Anas erythrorhyncha compared with Regulus calendula

Taxonomic Classification

Rank	Red-billed Duck	Ruby-Crowned Kinglet
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	Regulidae
Genus	Anas	Regulus
Species	Anas erythrorhyncha	Regulus calendula

Evolutionary Relationship

Red-billed Duck and Ruby-Crowned Kinglet share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

Red-billed Duck

LC — Least Concern

Ruby-Crowned Kinglet

LC — Least Concern

Physical Characteristics

Attribute	Red-billed Duck	Ruby-Crowned Kinglet
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).

Ruby-Crowned Kinglet

Habitat

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

Range

Distributed across Norway and United States.

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