Factors limiting reproductive performance and nestling sex ratio in the Lesser Spotted Eagle Aquila pomarina at the northern limit of its range: the impact of weather and prey abundance

By Väli Ülo  

Acta Ornithologica, Vol. 47, Iss. 2, 2012-12 ,pp. : 155-166

Museum and Institute of Zoology, Polish Academy of Sciences

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Sex-ratio of Skylark Alauda arvensis broods in relation to timing of breeding: Capsule Earlier broods tend to be more male biased than later broods.

By Eraud Cyril   Lallemand Joëlle   Lormee Herve  

Bird Study, Vol. 53, Iss. 3, 2006-11 ,pp. : 319-322

Taylor & Francis Ltd

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Factors affecting habitat selection by breeding Lesser Spotted Eagles Aquila pomarina in northeastern Poland

By Zub Karol   Pugacewicz Eugeniusz   Jędrzejewska Bogumiła   Jędrzejewski Włodzimierz  

Acta Ornithologica, Vol. 45, Iss. 1, 2010-06 ,pp. : 105-114

Museum and Institute of Zoology, Polish Academy of Sciences

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Male-biased sex ratio increases female egg laying and fitness in the housefly, Musca domestica

By Carrillo Juli  

Journal of Ethology, Vol. 30, Iss. 2, 2012-05 ,pp. : 247-254

Springer Publishing Company

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Ranging distance of resident Golden Eagles Aquila chrysaetos in western Scotland according to season and breeding status: Capsule Home-range of resident pairs of Golden Eagle was usually smaller during a successful breeding season than during winter and during an unsuccessful breeding season.

By Haworth Paul F.   Mcgrady Michael J.   Whitfield D. Philip   Fielding Alan H.   McLeod David R.A.  

Bird Study, Vol. 53, Iss. 3, 2006-11 ,pp. : 265-273

Taylor & Francis Ltd

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