Eastern Bluebird . Sialia sialis

bird photography thumbnail links in comments Description Plate 113 of Birds of America by John James Audubon depicting Eastern Bluebird Sialia sialis. (Cropped border) Male 1. Female 2. Young 3. Date between 1827 and 1838 Author John James Audubon (1785–1851) American ornithologist, naturalist, hunter and painter Source University of Pittsburgh Public Domain #outdoors #nature #ornithology #illustration #art