Birdr

Sanderling vs Rock Sandpiper

Calidris alba versus Calidris ptilocnemis

Practice

Play a quiz with Sanderling and Rock Sandpiper

Sanderling (Calidris alba) Sanderling
Rock Sandpiper (Calidris ptilocnemis) Rock Sandpiper

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Sanderling · Rock Sandpiper · My Tricky Birds