Nest location within the tree and breeding parameters of Rooks Corvus frugilegus: Capsule The position of a nest in the tree influences some parameters of reproduction.

By Kasprzykowski Zbigniew  

Bird Study, Vol. 55, Iss. 1, 2008-03 ,pp. : 59-65

Taylor & Francis Ltd

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Different extinction risks of the breeding colonies of Rooks Corvus frugilegus in rural and urban areas of SW Poland

By Orłowski Grzegorz   Czapulak Andrzej  

Acta Ornithologica, Vol. 42, Iss. 2, 2007-12 ,pp. : 145-155

Museum and Institute of Zoology, Polish Academy of Sciences

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Food sources of Sand Martins Riparia riparia during their breeding season: insights from stable-isotope analysis: Capsule Stable-isotope analysis indicated that terrestrial dipteran insects were the main food at a site in northern Japan.

By Nakano Daisuke   Akasaka Takumi   Kohzu Ayato   Nakamura Futoshi  

Bird Study, Vol. 54, Iss. 1, 2007-03 ,pp. : 142-144

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The diet of Little Owls Athene noctua in Gloucestershire, England: Capsule Little Owls take a wide variety of food, most of which is made up of earthworms, but also includes bats.

By Hounsome Tim   O'Mahony Declan   Delahay Richard  

Bird Study, Vol. 51, Iss. 3, 2004-10 ,pp. : 282-284

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Response of Hooded Crow Corvus corone cornix and Magpie Pica pica to exposure to artificial nests: Capsule Hooded Crow activity increased markedly and instantly after exposure of artificial nests, whereas Magpies showed no response to the nests, but seemed negatively influenced by Hooded Crows.

By Olsen Henrik   Schmidt Niels M.  

Bird Study, Vol. 51, Iss. 1, 2004-03 ,pp. : 87-90

Taylor & Francis Ltd

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