Semipalmated Sandpiper vs White-rumped Sandpiper

Calidris pusilla compared with Calidris fuscicollis

Key Differences

• Semipalmated Sandpiper is Near Threatened while White-rumped Sandpiper is Least Concern.

Taxonomic Classification

Rank	Semipalmated Sandpiper	White-rumped Sandpiper
Kingdom same	Animalia (hayvan)	Animalia (hayvan)
Phylum same	Chordata (Kordalılar)	Chordata (Kordalılar)
Class same	Aves (kuş)	Aves (kuş)
Order same	Charadriiformes (Yağmur kuşları)	Charadriiformes (Yağmur kuşları)
Family same	Scolopacidae	Scolopacidae
Genus same	Calidris	Calidris
Species	Calidris pusilla	Calidris fuscicollis

Evolutionary Relationship

Semipalmated Sandpiper and White-rumped Sandpiper share a common ancestor at the Genus level: Calidris.

Conservation Status

Semipalmated Sandpiper

NT — Near Threatened

White-rumped Sandpiper

LC — Least Concern

Physical Characteristics

Attribute	Semipalmated Sandpiper	White-rumped Sandpiper
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Semipalmated Sandpiper

Habitat

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

Range

Widely distributed across Europe (Denmark, Norway, Sweden), North America (United States), and South America (Colombia, Ecuador, Venezuela). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

White-rumped 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).

Semipalmated Sandpiper

Semipalmated Sandpiper (Calidris pusilla) 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.

White-rumped Sandpiper

White-rumped Sandpiper (Calidris fuscicollis) 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:

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