Red-billed Duck vs Smooth Spangle Gall

Anas erythrorhyncha compared with Neuroterus albipes

Key Differences

• Red-billed Duck is Least Concern while Smooth Spangle Gall is Not Evaluated.

Taxonomic Classification

Rank	Red-billed Duck	Smooth Spangle Gall
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Aves (Birds)	Insecta (Insects)
Order	Anseriformes (Anseriformes)	Hymenoptera (Ants, Bees & Wasps)
Family	Anatidae	Cynipidae
Genus	Anas	Neuroterus
Species	Anas erythrorhyncha	Neuroterus albipes

Evolutionary Relationship

Red-billed Duck and Smooth Spangle Gall share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Red-billed Duck

LC — Least Concern

Smooth Spangle Gall

NE — Not Evaluated

Physical Characteristics

Attribute	Red-billed Duck	Smooth Spangle Gall
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).

Smooth Spangle Gall

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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:

🇧🇪 Belgium 🇳🇴 Norway