Botaurus lentiginosus. American Bittern.
Public domain scan of American 19th-century print, free to use, no copyright restrictions image - Picryl description
Least Bittern. 1. Male. 2. Female. 3. Young.
Public domain scan of print / book page depicting birds, ornithology, free to use, no copyright restrictions image - Picryl description
American Bittern. 1. Male. 2. Female.
Public domain scan - Bird, 19th-century zoological illustration print, free to use, no copyright restrictions image - Picryl description
Botaurus stellaris. Bittern.
Public domain scan of print / book page depicting birds, ornithology, free to use, no copyright restrictions image - Picryl description
189. The American Bittern (Ardea minor). 190. The Small Bittern (Ardea...
Public domain scan of 19th-century zoological illustration, free to use, no copyright restrictions image
Ardetta minuta. Little Bittern.
Public domain scan - Bird, 19th-century zoological illustration print, free to use, no copyright restrictions image - Picryl description
Bittern; Stork. - Public domain zoological illustration
Public domain scan - Bird, 19th-century zoological illustration print, free to use, no copyright restrictions image - Picryl description