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1 October 1995 Incidental Kill of Dunlin and Killdeer by Strychnine
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Abstract

Strychnine poisoning of 36 dunlin (Calidris alpina) and two killdeer (Charadrius vociferus) in Yolo County, California (USA) was documented from 11 to 17 December 1990. Birds were found dead on a field containing treated wheat seeds (337 μg strychnine/g seed) in postures consistent with the known physiopathology of strychnine poisoning: rapid rigor mortis, wings folded over backs, straightened toes, and fecal material extruding from vents. Five dunlin and two killdeer were necropsied, and their crop and stomach contents were analyzed by high performance liquid chromatography for the presence of strychnine. The mean (± SD) actual unabsorbed strychnine concentration per amount stomach content for the five dunlin was 110 (± 108) μg/g and for the two killdeer, 210 (± 109) μg/g. Shorebirds have not been identified previously as victims of pesticides.

Warnock and Schwarzbach: Incidental Kill of Dunlin and Killdeer by Strychnine
Nils Warnock and Steven E. Schwarzbach "Incidental Kill of Dunlin and Killdeer by Strychnine," Journal of Wildlife Diseases 31(4), 566-569, (1 October 1995). https://doi.org/10.7589/0090-3558-31.4.566
Received: 21 March 1994; Published: 1 October 1995
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