Baird's Sandpiper vs Buff-breasted Sandpiper

Calidris bairdii compared with Calidris subruficollis

Key Differences

• Baird's Sandpiper is Least Concern while Buff-breasted Sandpiper is Near Threatened.

Taxonomic Classification

Rank	Baird's Sandpiper	Buff-breasted Sandpiper
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 bairdii	Calidris subruficollis

Evolutionary Relationship

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

Conservation Status

Baird's Sandpiper

LC — Least Concern

Buff-breasted Sandpiper

NT — Near Threatened

Physical Characteristics

Attribute	Baird's Sandpiper	Buff-breasted Sandpiper
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Baird's Sandpiper

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).

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.

Baird's Sandpiper

Baird's Sandpiper (Calidris bairdii) 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.

Buff-breasted Sandpiper

Buff-breasted Sandpiper (Calidris subruficollis) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.

Shared Countries

Both species can be found in 7 countries:

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