Red-billed Duck vs Spiny Bollworm

Anas erythrorhyncha compared with Earias biplaga

Key Differences

• Red-billed Duck is Least Concern while Spiny Bollworm is Not Evaluated.

Taxonomic Classification

Rank	Red-billed Duck	Spiny Bollworm
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Aves (Birds)	Insecta (Insects)
Order	Anseriformes (Anseriformes)	Lepidoptera (Butterflies & Moths)
Family	Anatidae	Nolidae
Genus	Anas	Earias
Species	Anas erythrorhyncha	Earias biplaga

Evolutionary Relationship

Red-billed Duck and Spiny Bollworm share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Red-billed Duck

LC — Least Concern

Spiny Bollworm

NE — Not Evaluated

Physical Characteristics

Attribute	Red-billed Duck	Spiny Bollworm
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).

Spiny Bollworm

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Widely distributed across Africa (9 countries), Asia (Yemen), and Europe (5 countries).

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 4 countries:

🇧🇪 Belgium 🇫🇷 France 🇳🇱 Netherlands 🇬🇧 United Kingdom