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Article

Effects of experimental perturbation of group structure on hierarchy formation and behaviour in House Sparrows

Robin J. Kubitza, Auteur ; Jukka Suhonen, Auteur ; Timo Vuorisalo, Auteur

Dans Ornis Fennica (92(4) 2015)

Establishment of dominance hierarchies has been proposed as a mechanism that stabilizes and maintains social groups by reducing physical intra-group conflicts. However, the exact behavioural processes involved in hierarchy formation within natur[...]

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Article

Organized persecution of birds of prey in Finland: historical and population biological perspectives

Mari Pohja-Mykra, Auteur ; Timo Vuorisalo, Auteur ; Sakari Mykra, Auteur

Dans Ornis Fennica (89(1) 2012)

In Finland, the persecution of birds of prey was already encouraged in the Swedish State Law of 1734, and was first included in bounty schemes in the Royal Decree on Avian Pests in 1741. All species of Finnish raptors and owls were persecuted du[...]

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Article

Rauno Tenovuo (1917-2008)

Timo Vuorisalo, Auteur ; Esa Lehikoinen, Auteur ; Risto Lemmetyinen, Auteur

Dans Ornis Fennica (86(3) 2009)

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