Red-billed Duck vs Slender-footed Robberfly

Anas erythrorhyncha compared with Leptarthrus brevirostris

Key Differences

• Red-billed Duck is Least Concern while Slender-footed Robberfly is Endangered.

Taxonomic Classification

Rank	Red-billed Duck	Slender-footed Robberfly
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Aves (Birds)	Insecta (Insects)
Order	Anseriformes (Anseriformes)	Diptera (Diptera)
Family	Anatidae	Asilidae
Genus	Anas	Leptarthrus
Species	Anas erythrorhyncha	Leptarthrus brevirostris

Evolutionary Relationship

Red-billed Duck and Slender-footed Robberfly share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Red-billed Duck

LC — Least Concern

Slender-footed Robberfly

EN — Endangered

Physical Characteristics

Attribute	Red-billed Duck	Slender-footed Robberfly
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).

Slender-footed Robberfly

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