 Bittern, Rördrom, Botaurus stellaris
by Ivan Kruys
|  American Bittern
by Joe Fischer
|  LEAST BITTERN (Ixobrychus exilis)
by Mary Kay Rubey
|  Herons, Egrets, Bitterns and Storks
by Wong Tsu Shi
|  American Bittern
by Dave Taylor
|
 Yellow Bittern
by Christer Sundström
|  American Bittern
by Carlton Sheely
|  Little Bittern (Dvärgrördrom)
by S.Stenlund
|  Little Bittern
by Jens Morin
|  Least Bittern
by Doris Potter
|