The most relevant of which is:Mudge G P (1983), "The incidence and significance of ingested lead pellet poisoning in British Wildfowl", Biological Conservation, 27, pp. 33-372.Other studies include:Beck N and Ganval, P (1987), "Ingestion de plombs de chasse par la Becassine des marais Gallinago gallinago et la Becassine sourde Lymnocryest minimus dans le Lo...