Ingested shotgun pellets were found in 13 of 56 hunter-killed wild waterfowl between October and December 1991 from two hunting grounds in Japan. Four of 33 other waterfowl found dead in lightly hunted areas between January 1991 and March 1992 were diagnosed as having lead poisoning. We propose that lead poisoning maybe a threat to waterfowl in Japan.
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1 April 1993
A Survey of Lead Poisoning in Wild Waterfowl in Japan
K. Ochiai,
K. Hoshiko,
K. Jin,
T. Tsuzuki,
C. Itakura