The environmental consequences of changing from lead to steel shot

see http://www.sciencedaily.com/releases/2014/01/140116091105.htm (it led to significant reductions in the amount of lead picked up by most grazing duck species) _______________________________________________ Birding-Aus mailing list Birding-Aus@birding-aus.org To change settings or unsubscribe visit: http://birding-aus.org/mailman/listinfo/birding-aus_birding-aus.org