Lead poisoning in wildfowl

This video present the lead pollution in wetlands. Lead is using for the weights of fishermen but more important lead is using by hunters in cartridges. An estimation assess that every gunshot let 25g. of lead in Nature, and how many gunshot are necessary to kill one duck? Some species of waterfowl are more threatened by lead poisoning than some others in depends on their feeding methods. They present us the lead poisoning signs on some birds even some birds of prey are able to present lead poisoning signs. In Europe it's time to react, then except in Denmark where restriction use of lead shot was introduce in 1986, nothing is done in the others countries.