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Side-by-Side Comparison

Attribute	Buff-breasted Sandpiper	Christmas Sandpiper
Scientific Name	Calidris subruficollis	Prosobonia cancellata
Order	Charadriiformes	Charadriiformes
Family	Scolopacidae	Scolopacidae
Conservation Status	Vulnerable	Extinct
Length	—	—
Wingspan	25.7 cm (10.1 in)	—
Weight	66.5 g (2.35 oz)	38.0 g (1.34 oz)
Diet	--	--
Clutch Size	3-4	--
Population Trend	—	—

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Habitat Comparison

Shared Habitats

None

Buff-breasted Sandpiper only

🌾 Grassland 🌿 Wetland

Christmas Sandpiper only

🏖️ Coastal

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Conservation Status

Vulnerable

Buff-breasted Sandpiper

Extinct

Christmas Sandpiper

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About These Birds

Buff-breasted Sandpiper

Buff-breasted Sandpiper: 18–20 cm, distinctive sandpiper with uniform buffy underparts, scaly golden-brown upperparts, and yellow legs. Breeds on High Arctic tundra of Alaska and Canada; migrates through Great Plains prairies to winter on pampas of South America. Lek-displaying male fans white underwing. NT. Long-distance grassland migrant.

Christmas Sandpiper

Christmas Sandpiper: 18–20 cm, slender sandpiper endemic to Christmas Island in the Indian Ocean with brown-barred upperparts and pale underparts. Inhabits coastal rocky shores and forest interior. NT. Threatened by introduced yellow crazy ants and habitat modification. Sedentary island endemic. Invertebrate feeder.

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