Once known, the Buff-breasted Sandpiper should not present an identification problem: the only confusion might be with a juvenile Ruff Philomachus pugnax, especially a small female. Unlike the Ruff, the Buff-breasted Sandpiper is a small wader; although males average slightly larger than females, it is only slightly taller than a Dunlin Calidris alpina. It looks diminutive compared with a mal
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