cornell lab of ornithology скачать mp3 файл

50 Owl, Great Horned - Female wac-wac call, bill-clap, male hoot 

Barred Owl Territorial Dispute Between Two Pairs 

63 Owl, Northern Saw-whet - Whine-like call 

47 Owl, Burrowing - Male primary song 

10 Owl, Barn - Fledgling mobbing call 

45 Owl, Great Horned - Territorial hooting duet, copulation 

78 Owl, Long-eared - High intensity alarm call, bill-clap 

93 Owl, Barred - Pair caterwauling