Construction and operation of cable-chain drag for nest searches

Wildlife Leaflet 512
By: , and 


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A list of materials necessary to build and use a 53-m-long cable-chain drag is presented. Techniques are described for searching, finding, and marking nests in a typical area of grassland.During nine nesting seasons, 7,894 nests representing 32 species were found by searching fields with cable-chain drags. Only 2% of the nests were damaged while searching; most of this damage was caused by the searcher or the vehicle, and not by the drag.The rate of nest abandonment caused by cable-chain searching was estimated to be less than 1%. Reflushing efficiency ranged from 25% for green-winged teal (Anas crecca) to 100% for shorebirds. Other uses of the cable-chain drag are also discussed.

Additional publication details

Publication type Report
Publication Subtype Federal Government Series
Title Construction and operation of cable-chain drag for nest searches
Series title Wildlife Leaflet
Series number 512
Year Published 1977
Language English
Publisher U.S. Fish and Wildlife Service
Publisher location Washington, DC
Contributing office(s) Northern Prairie Wildlife Research Center
Description 15 p.
First page 0
Last page 14