Altitudinal segregation between Ural Owl Strix uralensis and Tawny Owl S. aluco: evidence for competitive exclusion in raptorial birds: Capsule The Owls were significantly segregated in space with the most important factor being altitude.

By Vrezec Al   Tome Davorin  

Bird Study, Vol. 51, Iss. 3, 2004-10 ,pp. : 264-269

Taylor & Francis Ltd

Access to resources Recommend Favorite

Habitat preferences for Long-eared Owls Asio otus and Little Owls Athene noctua in semi-arid environments at three spatial scales: Capsule There is a relationship between owl numbers and the availability of the agri-forest patchwork.

By Martínez Jose Antonio   Zuberogoitia Iñigo  

Bird Study, Vol. 51, Iss. 2, 2004-07 ,pp. : 163-169

Taylor & Francis Ltd

Access to resources Recommend Favorite

Feeding effort of male Tawny Owls Strix aluco follows a fixed schedule: a field experiment in the early nestling period

By Sasvári Lajos   Hegyi Zoltán  

Acta Ornithologica, Vol. 45, Iss. 2, 2010-12 ,pp. : 181-188

Museum and Institute of Zoology, Polish Academy of Sciences

Access to resources Recommend Favorite

Plasma testosterone profile of male Tawny Owls Strix aluco in relation to breeding density, breeding experience, and offspring provision

By Sasvári Lajos   Péczely Péter   Hegyi Zoltán  

Acta Ornithologica, Vol. 44, Iss. 1, 2009-06 ,pp. : 59-68

Museum and Institute of Zoology, Polish Academy of Sciences

Access to resources Recommend Favorite

Nutritional stress and body condition in the Great Gray Owl (Strix nebulosa) during winter irruptive migrations

By Graves Gary R.   Newsome Seth D.   Willard David E.   Grosshuesch David A.   Wurzel William W.   Fogel Marilyn L.  

Canadian Journal of Zoology, Vol. 90, Iss. 7, 2012-07 ,pp. : 787-797

NRC Research Press

Access to resources Recommend Favorite