137. The White-crowned Sparrow (Fringilla graminea). 138. The Snowbird...
Public domain scan of 19th-century zoological illustration, free to use, no copyright restrictions image
Fringilla cælebs. Chaffinch.
Public domain scan of print / book page depicting birds, ornithology, free to use, no copyright restrictions image - Picryl description
165. The Horned Lark (Alauda cornuta). 166. The Fox-colored Sparrow (F...
Public domain scan of 19th-century zoological illustration, free to use, no copyright restrictions image
Fringilla montifringilla. Bramblefinch.
Public domain scan of print / book page depicting birds, ornithology, free to use, no copyright restrictions image - Picryl description
140. The Bay-winged Sparrow (Fringilla graminea). 141. The White-throa...
Public domain scan of 19th-century zoological illustration, free to use, no copyright restrictions image
Zoologie. Oiseau. 1. Traquet coureur (Saxicola cursoria); 2. Fauvette ...
Picryl description: Public domain natural history illustrated book page scan, free to use, no copyright restrictions image.
156. The Song Sparrow (Fringilla melodia). 157. The Indigo-bird (Spiza...
Public domain scan - Bird, 19th-century zoological illustration print, free to use, no copyright restrictions image - Picryl description