Dunlin vs Ruff

Calidris alpina compared with Calidris pugnax

Taxonomic Classification

Rank	Dunlin	Ruff
Kingdom same	Animalia (động vật)	Animalia (động vật)
Phylum same	Chordata (động vật có dây sống)	Chordata (động vật có dây sống)
Class same	Aves (chim)	Aves (chim)
Order same	Charadriiformes (Bộ Choi choi)	Charadriiformes (Bộ Choi choi)
Family same	Scolopacidae	Scolopacidae
Genus same	Calidris	Calidris
Species	Calidris alpina	Calidris pugnax

Evolutionary Relationship

Dunlin and Ruff share a common ancestor at the Genus level: Calidris.

Conservation Status

Dunlin

LC — Least Concern

Ruff

LC — Least Concern

Physical Characteristics

Attribute	Dunlin	Ruff
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dunlin

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, Venezuela).

Ruff

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, Venezuela).

Dunlin

Dunlin (Calidris alpina) 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.

Ruff

Ruff (Calidris pugnax) 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 7 countries:

🇧🇪 Belgium 🇨🇴 Colombia 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States 🇻🇪 Venezuela