Floyd, Ted, 1968-, Smithsonian field guide to the birds of North America / Ted Floyd ; edited by Paul Hess and George Scott ; maps by Paul Lehman ; photographs by Brian E. Small ... [y otros.] - vii, 512 páginas : ilustraciones col,, mapas col + 1 DVD (4 3/4 plg.) ISBN: 9780061120404 0061120405 Subjects--Topical Terms: Aves--América del Norte LC Class. No.: QL681 / F56 Dewey Class. No.: 598.097