Red-necked Stint vs Ruff

Calidris ruficollis compared with Calidris pugnax

Key Differences

• Red-necked Stint is Not Evaluated while Ruff is Least Concern.

Taxonomic Classification

Rank	Red-necked Stint	Ruff
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order same	Charadriiformes (Charadriiformes)	Charadriiformes (Charadriiformes)
Family same	Scolopacidae	Scolopacidae
Genus same	Calidris	Calidris
Species	Calidris ruficollis	Calidris pugnax

Evolutionary Relationship

Red-necked Stint and Ruff share a common ancestor at the Genus level: Calidris.

Conservation Status

Red-necked Stint

NE — Not Evaluated

Ruff

LC — Least Concern

Physical Characteristics

Attribute	Red-necked Stint	Ruff
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Red-necked Stint

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, Sweden, and Taiwan.

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).

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 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇹🇼 Taiwan