Environmentally acquired lead, cadmium, and manganese in the cattle egret, Bubulcus ibis, and the laughing gull, Larus atricilla

The concentrations of lead, cadmium, and manganese in the tissues of cattle egrets (Bubulcus ibis) and laughing gulls (Larus atricilla) gathered from the Galveston Bay region of Texas were compared, to determine if different patterns of accumulation exist. Their levels in these species were within t...

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Bibliographic Details
Published in:Archives of environmental contamination and toxicology 1980, Vol.9 (1), p.65-77
Main Authors: Hulse, M, Mahoney, J S, Schroder, G D, Hacker, C S, Pier, S M
Format: Article
Language:English
Subjects:
Aging
Animals
Birds - metabolism
Cadmium - metabolism
Female
Gastric Mucosa - metabolism
Humans
Lead - metabolism
Male
Manganese - metabolism
Metals - metabolism
Sex Factors
Tissue Distribution
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Summary:The concentrations of lead, cadmium, and manganese in the tissues of cattle egrets (Bubulcus ibis) and laughing gulls (Larus atricilla) gathered from the Galveston Bay region of Texas were compared, to determine if different patterns of accumulation exist. Their levels in these species were within the range reported for other bird species. Lead levels in bone were comparable, but gulls had more lead in brain, kidney and liver tissues than the egrets, which suggested a higher rate of accumulation or exposure. Due to their high abundance and comparable positions in the estaurine and terrestrial food webs, it is suggested that Bubulcus ibis and Larus atricilla may serve as convenient biological indicators to monitor potentially toxic substances in these ecosystems.
ISSN:0090-4341
1432-0703
DOI:10.1007/bf01055500