Ingested shotgun pellets were found in 13 of 56 hunter-killed wild wat
erfowl between October and December 1991 from two hunting grounds in J
apan. Four of 33 other waterfowl found dead in lightly hunted areas be
tween January 1991 and March 1992 were diagnosed as having lead poison
ing. We propose that lead poisoning maybe a threat to waterfowl in jap
an.