By Chapman, Frank M. (Frank Michler), 1864-1945 . Genre Birds / United States / Photography of birds . Names camera / rock / island / lens / sea and 858 more

By Christy, Miller. . Genre e-uk--- / Birds / Great Britain . Names vertebrate / life / helcionella a / hunnivirus a / island and 185 more

By Dugmore, A. Radclyffe (Arthur Radclyffe), 1870- . Genre n-us--- / Birds / United States / Birds / Nests . Names adult / grass / leaves / spotted / roots and 1476 more

By Salter, John Henry. . Genre e-uk--- / Birds / Great Britain / Birds / Behavior . Names life / sea / wood / leaves / golden and 743 more

By Sharpe, Richard Bowdler, 1847-1909 . Genre Birds / Great Britain . Names adult / sea / iris / mus / bacterium o and 3049 more

By Buffon, Georges Louis Leclerc, comte de, 1707-1788 . Genre Natural history / Birds / Fishes / Entomology / Laboratory manuals . Names animal / fish / insects / animals / leaves and 1552 more

By Howe, Reginald Heber, 1846-1924 / Sturtevant, Edward. . Genre n-us-ri / Birds / Rhode Island . Names island / rhode / american / rock / mus and 1412 more

By Brown, Robert, 1842-1895 . Genre n-cn-bc / Birds / British Columbia / Vancouver Island / Ornithology and 8 more . Names island / synopsis / american / victoria / zonotrichia and 292 more

By Bradley, O. Charnock (Orlando Charnock), 1871-1937 . Genre Birds / Anatomy . Names area / eye / feather / adult / iris and 432 more

By Howard, Henry Eliot, 1873-1940 . Genre Birds / Behavior / Territoriality (Zoology) . Names life / area / order / none / wood and 623 more