Evaluating the potential impact of bird predation on the SW Atlantic fiddler crab Leptuca uruguayensis

The southernmost permanent population of the fiddler crab Leptuca uruguayensis occurs along the Samborombón Bay (36°22′S, 56°45′W, Argentina), an important feeding site for many bird species, including ruddy turnstones ( Arenaria interpres ), whimbrels ( Numenius phaeopus ), grey plovers ( Pluvialis squatarola ), american golden plovers ( Pluvialis dominica ) and gull-billed terns ( Gelochelidon nilotica ). Although all these birds are known to...