Chestnut-headed Crake vs Lesser Scaup

Anurolimnas castaneiceps compared with Aythya affinis

Taxonomic Classification

Rank	Chestnut-headed Crake	Lesser Scaup
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Gruiformes (Gruiformes)	Anseriformes (Anseriformes)
Family	Rallidae	Anatidae
Genus	Anurolimnas	Aythya
Species	Anurolimnas castaneiceps	Aythya affinis

Evolutionary Relationship

Chestnut-headed Crake and Lesser Scaup share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

Chestnut-headed Crake

LC — Least Concern

Lesser Scaup

LC — Least Concern

Physical Characteristics

Attribute	Chestnut-headed Crake	Lesser Scaup
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Chestnut-headed Crake

Habitat

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

Range

Distributed across Colombia, Ecuador, and Norway.

Lesser Scaup

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela).

Chestnut-headed Crake

The Chestnut-headed Crake (Anurolimnas castaneiceps) is a species in the genus Anurolimnas. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

Lesser Scaup

Lesser Scaup (Aythya affinis) 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 3 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇳🇴 Norway