EditorialTinnunculus sparverius, Print, The American kestrel (Falco sparverius) is the smallest and most common falcon in North America. It has a roughly two-to-one range in size over subspecies and sex, varying in size from about the weight of a blue jay to a ...
EditorialSparrow Falcon, Common Falcon (Falco sparverius), Signed: J.J. Audubon, J.T. Bowen, lithograph, Pl. 22 (vol. 1), Audubon, John James (drawn); Bowen, J. T. (lith.), 1856, John James Audubon: The birds of America: from drawings made in the United States ...
EditorialAmerican kestrel, Falco sparverius, with nest and egg. Chromolithograph after an illustration by Edwin Sheppard from Thomas George Gentrys Nests and Eggs of the Birds of the United States, J.A. Wagenseller, Philadelphia, 1881.
EditorialSparrow Falcon, Common Falcon (Falco sparverius), Signed: J.J. Audubon, J.T. Bowen, lithograph, Pl. 22 (vol. 1), Audubon, John James (drawn); Bowen, J. T. (lith.), 1856, John James Audubon: The birds of America: from drawings made in the United States ...
EditorialTinnunculus sparverius, Print, The American kestrel (Falco sparverius) is the smallest and most common falcon in North America. It has a roughly two-to-one range in size over subspecies and sex, varying in size from about the weight of a blue jay to a ...