Shorebirds feeding on the eggs of Atlantic Horseshoe Crabs (Limulus polyphemus). Includes Red knot (Calidris canutus rufa), Ruddy turnstone (Arenaria interpres), Dunlin (Calidris alpina) and Semipalmated sandpiper (Calidris pusilla). Mispillion Harbour, Delaware Bay, USA. Picture taken during filming for BBC "Life" TV Series, May 2008