Pitfall trapping does not reliably index the diet or prey resources of Masked Lapwings
Roche, Dylan V., Lees, Daniel, Cardilini, Adam P.A., Maguire, Grainne S., Dann, Peter and Weston, Michael A. 2016, Pitfall trapping does not reliably index the diet or prey resources of Masked Lapwings, Wader study, vol. 123, no. 1, pp. 16-20, doi: 10.18194/ws.00025.
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Pitfall trapping does not reliably index the diet or prey resources of Masked Lapwings
Vertebrate ecologists often assess invertebrate prey resources using techniques which sample invertebrate assemblages, and assume such sampling reflects the diet of their focal species. We compare the invertebrate assemblages as recorded by pitfall traps for Masked Lapwing Vanellus miles breeding territories in Phillip Island, Australia, and show that these differ from assemblages recorded in the stomach contents of local Masked Lapwings. Pitfalls traps did not reveal any difference in assemblages between sites where Masked Lapwings bred, and sites where they did not. Thus, pitfall trapping alone is unlikely to adequately index prey availability for Masked Lapwings.
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