Animal Skeletons: Eight Species of Birds Poster. This high resolution image has been optimized. Page creases and imperfections have been removed and colors have been adjusted. This image may be used digitally or printed and framed. Copyright: Public Domain (May be used for any use, personal or commercial) 2 files .jpg .png 300 dpi RGB color space 5224 x 7200 pixels 17.4″ x 24″ .jpg (14.1 MB on white background) .png (46.9 MB on white background) Source: Line Engraving Year: 1830/1870? Artist: Anonymous
