Vol. 94 No. 2 (2017)

Research articles

• Sex-specific timing of autumn migration in birds: the role of sexual size dimorphism, migration distance and differences in breeding investment

  Aleksi Lehikoinen, Jarkko Santaharju, Anders M

  53–65

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• Interaction between Common and Siberian Chiffchaff in a contact zone

  Irina Marova, Daria Shipilina, Vjatcheslav Fedorovk, Valery Alekseev, Vladimir Ivanitskii

  66–81

  • pdf

• Experimental manipulation of Blue Tit nest height does not support the thermoregulation hypothesis

  Pauliina H. Järvinen, Edward Kluen, Maiju Tiiri, Jon E. Brommer

  82–91

  • pdf

• Autumn irruptions of Eurasian Jay (Garrulus glandarius) in Norway in relation to acorn production and weather

  Vidar Selås

  92–100

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• The varying impact of agri-environment schemes on birdlife in two regions of Poland

  Stanislaw Tworek, Artur Golawski, Marek Jobda, Jakub Z. Kosicki

  101–112

  • pdf