Birdr

Ruff vs Curlew Sandpiper

Calidris pugnax versus Calidris ferruginea

Practice

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Ruff (Calidris pugnax) Ruff
Curlew Sandpiper (Calidris ferruginea) Curlew Sandpiper

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Ruff · Curlew Sandpiper · My Tricky Birds