sound Archives - British Ornithologists' Union

Booming Bitterns

By Jente Ottenburghs|2020-12-15T17:25:23+00:005 Sep 2019|bioacoustics, camouflage, Conservation, cryptic, monitoring, News, nocturnal birds, sound|

When is the best time to monitor bitterns?

Broadbills sing with their wings

By Steve Dudley|2016-04-25T07:30:15+00:0025 Apr 2016|behaviour, bird song, communications, display, non-vocal communication, song, sound|

How do Broadbills produce that loud mechanical sound while displaying?