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Physical Sciences and Mathematics Commons

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University of Nebraska - Lincoln

USDA Wildlife Services: Staff Publications

1998

Pelecanus erythrorhynchos

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Two Capture Techniques For American White Pelicans And Great Blue Herons, D. Tommy King, John D. Paulson, Dwight J. Leblanc, Kevin Bruce May 1998

Two Capture Techniques For American White Pelicans And Great Blue Herons, D. Tommy King, John D. Paulson, Dwight J. Leblanc, Kevin Bruce

USDA Wildlife Services: Staff Publications

We describe two techniques for capturing American White Pelicans (Pelecanus erythrorhynchos), Great Blue Herons (Ardea herodias), and other large wading birds in aquatic habitats. One technique involved using #3 padded jaw leghold traps modified by replacing both factory coil springs with weaker #1.5 coil springs, to reduce the closing force of the jaws, and replacing the factory chain with a length of aircraft cable and an elastic shock cord, to minimize injury caused by lunging. The second technique involved using a modified portable rocket net that can be set in shallow water. We captured 142 American …