Factors afecting the vocal behaviour of Tagle Owls Bubo bubo: effects of season, density and territory quality
2003. Martínez, J. A. & Zuberogoitia, I. 2.003. Factors afecting the vocal behaviour of Tagle Owls Bubo bubo: effects of season, density and territory quality. Ardeola 50 (2): 255-258
