George Hudson (New Zealander, 1867 – 1946)
John James Audubon (American, 1785-1851)
John James Audubon (American, 1785-1851)
Saverio Manetti (Italian, 1723 – 1785)
Moritz Müller (German, 1841 - 1899)
Anonymous
Carl Friedrich Deiker (German, 1836 - 1892)
Robert Ridgway (American, 1850 – 1929)
Bruno Dürigen (German, 1853–1930)
Horatio Henry Couldery (English, 1832–1918)
Beppe Ciardi (Italian, 1875–1932)
Carl Rudolf Huber (Austrian, 1839-1896)
Jean-Baptiste Audebert (French, 1759-1800)
John Gould (English, 1804-1881)
Melchior d'Hondecoeter (Dutch, 1636-1695)
Edwin L. Sheppard (American, ?-1904)
George Hudson (New Zealander, 1867 – 1946)
Friedrich Voltz (German, 1817-1886)
Paul-Andre Robert (Swiss, 1901-1977)
René de Rabié (French, 1700-1785)
Joseph Wolf (German, 1820-1899)
Henry Seebohm (English, 1832 – 1895)
Louis Agassiz (American, 1807 – 1873)
Charles Hamilton Smith (English, 1776-1859)
George Hudson (New Zealander, 1867 – 1946)
René-Primevère Lesson (French, 1794 – 1849)