Ruff vs Surfbird

Calidris pugnax compared with Calidris virgata

Taxonomic Classification

Rank	Ruff	Surfbird
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 pugnax	Calidris virgata

Evolutionary Relationship

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

Conservation Status

Ruff

LC — Least Concern

Surfbird

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

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).

Surfbird

Habitat

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

Range

Distributed across Colombia and Norway.

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 2 countries:

🇨🇴 Colombia 🇳🇴 Norway