Red-billed Duck vs Three-lined Soldier

Anas erythrorhyncha compared with Oxycera trilineata

Key Differences

• Red-billed Duck is Least Concern while Three-lined Soldier is Endangered.

Taxonomic Classification

Rank	Red-billed Duck	Three-lined Soldier
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Aves (Birds)	Insecta (Insects)
Order	Anseriformes (Anseriformes)	Diptera (Diptera)
Family	Anatidae	Stratiomyidae
Genus	Anas	Oxycera
Species	Anas erythrorhyncha	Oxycera trilineata

Evolutionary Relationship

Red-billed Duck and Three-lined Soldier share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Red-billed Duck

LC — Least Concern

Three-lined Soldier

EN — Endangered

Physical Characteristics

Attribute	Red-billed Duck	Three-lined Soldier
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).

Three-lined Soldier

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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