Call & Sounds
Eurasian Bittern (Botaurus stellaris)
Photo credit: Dervis Kokenek / Shutterstock
The Eurasian Bittern (Botaurus stellaris) is a large, secretive wading bird found throughout much of Europe and Asia, as well parts of Africa. This species is also known as the Great Bittern.
Eurasian Bitterns live in densely vegetated wetlands such as reedbeds and can be difficult to see. However, the deep, resonant booming call of the male Eurasian Bittern can be heard for several kilometres and monitoring for these calls is often the best way to detect the presence of this species during their breeding season. This male ‘song’ is usually a series of 2-6 foghorn-like booms, preceded by a few softer pumping, gulping notes. The bittern creates this sound by inflating its oesopagus which acts as a resonance chamber. The function of this sound is to advertise his presence to female bitterns and also as a territorial call. Other sounds made by the Eurasian Bittern include bill snaps and a harsh ‘kau’ call, often given when in flight or alarmed.
Listen to Eurasian Bittern Booming Calls
This sample in the video below was recorded in the Black River Valley, Sweden. It features the typical loud booming call of a male Eurasian Bittern.
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Other European Bird Calls
Some other bird sounds from Europe & the UK: