Determinants of parental effort: a behavioural study in the Eurasian kestrel, Falco tinnunculus

@article{Tolonen1994DeterminantsOP,
  title={Determinants of parental effort: a behavioural study in the Eurasian kestrel, Falco tinnunculus},
  author={Pasi Tolonen and Erkki Korpim{\"a}ki},
  journal={Behavioral Ecology and Sociobiology},
  year={1994},
  volume={35},
  pages={355-362}
}
We recorded behaviour of kestrels (Falco tinnunculus) in western Finland during the courtship (1988–1992), incubation (1989–1991), early nestling (age of young 1–2 weeks, 1989–1992) and late nestling stages (3–4 weeks, 1989–1991) to examine determinants of their parental effort (PE). In males, PE was estimated as the hunting effort (the proportion of budget time spent in flight-hunting) and in females as the food provisioning rate (number of prey items delivered to the nest per hour). The… CONTINUE READING

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