Broad-billed Sandpiper vs Curlew Sandpiper

In short

The Broad-billed Sandpiper and Curlew Sandpiper can be distinguished by their bill shape and supercilium. The Broad-billed Sandpiper has a distinctly broad and slightly down-curved bill, while the Curlew Sandpiper has a longer, more evenly curved bill. Both species have a prominent supercilium, but it is more pronounced in the Broad-billed Sandpiper.

Identification tips

• Bill shape: Broad-billed Sandpiper has a broad, slightly down-curved bill; Curlew Sandpiper has a longer, more evenly curved bill.
• Supercilium: More pronounced in Broad-billed Sandpiper.
• Size: Curlew Sandpiper is generally larger.
• Breeding plumage: Curlew Sandpiper shows rufous coloration.
• Habitat preference: Broad-billed Sandpiper may be found in freshwater marshes during migration.

Size

The Curlew Sandpiper is generally larger than the Broad-billed Sandpiper.

Plumage

Both species exhibit similar plumage tones, but the Broad-billed Sandpiper often shows a more contrasting supercilium and darker crown. The Curlew Sandpiper in breeding plumage has a distinctive rufous coloration that the Broad-billed Sandpiper lacks.

Behaviour

Both species forage in similar ways, probing in mudflats and shallow waters, but the Broad-billed Sandpiper may appear more active and deliberate in its movements.

Habitat

Both species frequent mudflats and coastal wetlands, but the Broad-billed Sandpiper is more likely to be found in freshwater marshes during migration.

Voice

Vocalizations are not a primary distinguishing feature in the field, as both species have similar calls, though the Curlew Sandpiper's call is slightly more musical.