 Great Bittern
by Jens Morin
|  Little Bittern
by Wilfred Marissen
|  Bittern, Cinnamon
by Con Foley
|  Little Bittern - Wouwaap - Ixobrychus minutus
by Michael Kars
|  Cinnamon Bittern
by twilly
|
 AMERICAN BITTERN
by Dennis Morrison
|  Bittern
by Wilfred Marissen
|  Least Bittern
by Bob Cunningham
|  Little Bittern Holland
by Raymond De Smet
|  American Bittern
by Bo Zaremba
|