noun
definition
Several bird species in the Botaurinae subfamily of the heron family Ardeidae.
Examples of bitterns in a Sentence
There are numerous species in these sheltered channels, inlets and sounds of geese, ducks, swans, cormorants, ibises, bitterns, red-beaks, curlew, snipe, plover and moorhens.
During the last twelve months, 132 species have been recorded, including rare bitterns.
It is hoped that once completed these new reeds along with the existing ones will prove suitable for breeding bitterns.
The large lake has 200 booming bitterns in a fringe of reed 400m wide and 7km long.
From my early cruising, I feel little bitterns have got used to boats and don't fly out so often now.
There are also Little and great bitterns here, together with breeding marsh terns.
Bitterns are a superbly camouflaged large stripy brown member of the heron family, which feed on fish.