Lesser Cuckoo vs Red-billed Duck

Cuculus poliocephalus compared with Anas erythrorhyncha

Taxonomic Classification

Rank	Lesser Cuckoo	Red-billed Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Cuculiformes (Cuculiformes)	Anseriformes (Anseriformes)
Family	Cuculidae	Anatidae
Genus	Cuculus	Anas
Species	Cuculus poliocephalus	Anas erythrorhyncha

Evolutionary Relationship

Lesser Cuckoo and Red-billed Duck share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

Lesser Cuckoo

LC — Least Concern

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Lesser Cuckoo	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Lesser Cuckoo

Habitat

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

Range

Distributed across Norway and Taiwan.

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 1 countries:

🇳🇴 Norway