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Nest defence by Lapwings: Observations on natural behaviour and an experiment


Reference:

Kis, J., Liker, A. and Szekely, T., 2000. Nest defence by Lapwings: Observations on natural behaviour and an experiment. Ardea, 88 (2), pp. 155-163.

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Abstract

Lapwings Vanellus vanellus are ground-nesting waders and they protect their nests by aggressively attacking predators near their nests. We investigated the response of parents to natural predators and a dummy Hooded Crow Corvus [corone] cornix during the incubation period. First, we investigated whether the presumed value of offspring influenced defence behaviour. We found no evidence that clutch volume or the number of days the clutch had been incubated for influenced either the frequency of attacks or the time spent on attacks. The density of nests decreased over the breeding season, and both the frequency of attacks and the time spent on attacks decreased with nest density. Second, we found that male Lapwings were more active in defence than females. In particular, male Lapwings attacked natural predators more often than females and they spent more time on attacks than females. These results were corroborated by the dummy experiment.

Details

Item Type Articles
CreatorsKis, J., Liker, A. and Szekely, T.
DepartmentsFaculty of Science > Biology & Biochemistry
RefereedYes
StatusPublished
ID Code19604

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