Lagopus mutus. Ptarmigan. - Drawing. Public domain image.
Public domain reproduction of lithograph, 19th century, free to use, no copyright restrictions image - Picryl description
White-tailed Ptarmigan. Adult in Winter plumage.
Public domain reproduction of lithograph, 19th century, free to use, no copyright restrictions image - Picryl description
American Ptarmigan. Male. - Public domain scan of drawing
Picryl description: Public domain image, drawing, American, 19th century, free to use, no copyright restrictions
Lagopus mutus. Summer plumage. Ptarmigan (summer plumage).
Public domain scan of print / book page depicting birds, ornithology, free to use, no copyright restrictions image - Picryl description
Willow Ptarmigan. 1. Male. 2. Female and Young.
Public domain scan of print / book page depicting birds, ornithology, free to use, no copyright restrictions image - Picryl description
Rock Ptarmigan. 1. Male in Winter plumage. 2. Female, Summer plumage. ...
Public domain scan of print / book page depicting birds, ornithology, free to use, no copyright restrictions image - Picryl description
Lagopus mutus. Autumn plumage. Ptarmigan (autumn plumage).
Public domain scan of print / book page depicting birds, ornithology, free to use, no copyright restrictions image - Picryl description