Arctic Tern vs Chestnut-headed Crake

Sterna paradisaea compared with Anurolimnas castaneiceps

Taxonomic Classification

Rank	Arctic Tern	Chestnut-headed Crake
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Charadriiformes (Charadriiformes)	Gruiformes (Gruiformes)
Family	Laridae	Rallidae
Genus	Sterna	Anurolimnas
Species	Sterna paradisaea	Anurolimnas castaneiceps

Evolutionary Relationship

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

Conservation Status

Arctic Tern

LC — Least Concern

Chestnut-headed Crake

LC — Least Concern

Physical Characteristics

Attribute	Arctic Tern	Chestnut-headed Crake
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic Tern

Habitat

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

Range

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

Chestnut-headed Crake

Habitat

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

Range

Distributed across Colombia, Ecuador, and Norway.

Arctic Tern

Arctic Tern (Sterna paradisaea) 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.

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.

Shared Countries

Both species can be found in 3 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇳🇴 Norway