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Two wild and two captive sandhill cranes (Grm cnt~ndensisw) ere diagnosed by National Wildlife Health Laboratory personnel as having died from lead toxicity. Ingestion of lead fishing weights by the wild cranes and of unspent .22 caliber shell cartridges by the captive cranes were responsible for these deaths. One crane force-fed lead pellets showed an increase of blood lead levels from 0.77 ppm to 23.8 ppm (wet weight) just before its death 15 days following exposure. Liver lead concentrations of sandhill cranes dying of,causes other than lead toxicity are presented.
Additional Publication Details
Lead poisoning of sandhill cranes (Grus canadensis)