Male bitterns make the sound to establish territories and attract mates by opening and closing their bills, gulping air and inflating their esophagus.
The Eurasian bittern, a secretive British wetland bird, announces its presence with a distinctive low-frequency 'boom' during ...
Discover Wildlife on MSN
This elusive bird can be heard up to 5km away – and the sound it makes is extraordinary
The song of the male bittern – the king of the reedbed – sounds like a foghorn.
For the first time in more than 40 years, the distinctive booming call of the endangered Australasian bittern once again rings out across the waters of Tasmania’s Lagoon of Islands. The Australasian ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results