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An observation of the ruddy sheld-duck


, : An observation of the ruddy sheld-duck. Limosa 24(3/4): 133-136

The observation of C. ferruginea. the 7th recorded case in Holland, is descr. It was seen in the coastal zone of the Waddenzee, the tidal sea in n. Netherlands. In connection with this observation aviculturists in Holland are urged to compile a register of waterfowl kept in Holland in semi-captivity.

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