Buff-breasted Sandpiper vs Ruff

Calidris subruficollis compared with Calidris pugnax

Key Differences

• Buff-breasted Sandpiper is Near Threatened while Ruff is Least Concern.

Taxonomic Classification

Rank	Buff-breasted Sandpiper	Ruff
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class same	Aves (鳥類)	Aves (鳥類)
Order same	Charadriiformes (チドリ目)	Charadriiformes (チドリ目)
Family same	Scolopacidae	Scolopacidae
Genus same	Calidris	Calidris
Species	Calidris subruficollis	Calidris pugnax

Evolutionary Relationship

Buff-breasted Sandpiper and Ruff share a common ancestor at the Genus level: Calidris.

Conservation Status

Buff-breasted Sandpiper

NT — Near Threatened

Ruff

LC — Least Concern

Physical Characteristics

Attribute	Buff-breasted Sandpiper	Ruff
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Buff-breasted Sandpiper

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). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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).

Buff-breasted Sandpiper

バフムナフルシギ（Calidris subruficollis）はIUCNレッドリストで準絶滅危惧（NT）に分類されています。絶滅危惧の基準に近く、保護策がなければ危急種になる可能性があります。

Ruff

Ruff（Calidris pugnax）は IUCN レッドリストで軽度懸念（LC）に分類されている。分布域全体に広く分布し個体数も豊富で、個体群は安定しており差し迫った保全上の懸念はない。

Shared Countries

Both species can be found in 8 countries:

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