. Bulletin. Natural history; Natural history. May, 1959 Bellrose: Lead Poisoning in Waterfowl 237 of its emotional impact on any person who sees it, a waterfowl die-off is an event that is remembered and chronicled for a number of years. Three approaches have been made by the author of this paper in evaluating the importance of die-offs among waterfowl in the United States: (1) a study of the. Fig. 1.—Opened duck gizzards and the ingested lead shot they contained. Black spots on the horny linings of the gizzards mark areas of tissue destruction by lead Please note that these images are
. Bulletin. Natural history; Natural history. May, 1959 Bellrose: Lead Poisoning in Waterfowl 237 of its emotional impact on any person who sees it, a waterfowl die-off is an event that is remembered and chronicled for a number of years. Three approaches have been made by the author of this paper in evaluating the importance of die-offs among waterfowl in the United States: (1) a study of the. Fig. 1.—Opened duck gizzards and the ingested lead shot they contained. Black spots on the horny linings of the gizzards mark areas of tissue destruction by lead Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Illinois. Natural History Survey Division. Urbana, State of Illinois, Dept. of Registration and Education, Natural History Survey Division
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Keywords: ., booka, bookcentury1900, bookdecade1910, booksubjectnaturalhistory
