Birdr

Rock Sandpiper vs Least Storm-Petrel

Calidris ptilocnemis versus Hydrobates microsoma

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Play a quiz with Rock Sandpiper and Least Storm-Petrel

Rock Sandpiper (Calidris ptilocnemis) Rock Sandpiper
Least Storm-Petrel (Hydrobates microsoma) Least Storm-Petrel

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Rock Sandpiper · Least Storm-Petrel · My Tricky Birds