Attempted piracy by Black-headed Gull on Rednecked Grebe Peter Boardman's account of a Great Black-backed Gull Larus marinus harassing a Great Crested Grebe Podiceps cristalus (Brit. Birds 80: 114-115) recalled the following. On 26th January 1987, on a small pool at Shingle Street, Suffolk, I spent an hour observing a Rednecked Grebe P. grisegena. It was diving and feeding on small fish, with a Bla

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