Long-eared Owl (Asio otus) Science Article 1
[…].The aims of this study are (1) to determine if Long-eared Owls respond to broadcasts of conspecific calls, (2) to determine if the broadcast improved our ability to detect owls and (3) to discuss the behavioural response of owls. […].
Martinez, J. A., Zuberogoitia, I., Colas, J. & Macia, J., Ardeola 49(1), 2002, 97-101