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Behaviour of female Eurasian Kestrels during laying: are there time constraints on incubation?

K. L. Wiebe, Auteur ; K. I. Jonsson, Auteur ; J. Wiehn, Auteur ; H. Hakkarainen, Auteur ; E. Korpimäki, Auteur

Dans Ornis Fennica (77(1) 2000)

To investigate time, energy, and temperature constraints on hatching asynchrony in Eurasian Kestrels (Falco tinnunculus), we observed females during the laying period and quantified the time spent hunting to see whether this might limit time spe[...]

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Article

Bright colours and predation risk in passerines

E. Huhta, Auteur ; H. Hakkarainen, Auteur ; P. Lundvall, Auteur

Dans Ornis Fennica (75(2) 1998)

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Article

Provisioning response to manipulation of apparent predation danger by parental Pied Flycatchers

H. Hakkarainen, Auteur ; I. Yli-Tuomi, Auteur ; E. Korpimäki, Auteur ; R. Ydenberg, Auteur

Dans Ornis Fennica (79(3) 2002)

We tested whether nest visitation rate of parent Pied Flycatchers (Ficedula hypoleuca) is decreased by an experimentally increased predation risk. We simulated predation risk by placing a stuffed Pygmy Owl (Glaucidium passerinum) in the nest vic[...]

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