Glaucous-winged Gull vs Red-billed Duck

Larus glaucescens compared with Anas erythrorhyncha

Key Differences

• Glaucous-winged Gull is Not Evaluated while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	Glaucous-winged Gull	Red-billed Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Charadriiformes (Charadriiformes)	Anseriformes (Anseriformes)
Family	Laridae	Anatidae
Genus	Larus	Anas
Species	Larus glaucescens	Anas erythrorhyncha

Evolutionary Relationship

Glaucous-winged Gull and Red-billed Duck share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

Glaucous-winged Gull

NE — Not Evaluated

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Glaucous-winged Gull	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Glaucous-winged Gull

Habitat

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

Range

Distributed across Denmark, Ecuador, and 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 2 countries:

🇪🇨 Ecuador 🇳🇴 Norway