George Hudson (New Zealander, 1867 – 1946)
John Gould (English, 1804-1881)
Louis Agassiz (American, 1807 – 1873)
William Holbrook Beard (American, 1824 - 1900)
Johann Till the younger (Austrian, 1827-1894)
Abraham Teerlink (Dutch, 1776 - 1857)
Ishikawa Kazan (Japanese, active 1810-1823)
René-Primevère Lesson (French, 1794 – 1849)
Franz Marc (German, 1880-1916)
John James Audubon (American, 1785-1851)
John Gould (English, 1804-1881)
Charles Hamilton Smith (English, 1776-1859)
Rosa Bonheur (French, 1822-1899)
Charles Jones (English, 1836-1892)
Heinrich Carl Küster (German, 1807 – 1876)
C.L. von Vregenborlh (American, 19th Century)
Mark Catesby (English, 1683 – 1749)
James Duncan (Canadian, 1806-1881)
John Gould (English, 1804-1881)
Anton Burger (German, 1824 – 1905)
Ramsay Richard Reinagle (English, 1775 – 1862)
John Gould (English, 1804-1881)
William Barraud (English, 1810-1850)
John Edwards Holbrook (American, 1796 – 1871)
Joseph Smit (Dutch, 1836 – 1929)
Andre Plumot (Belgian, 1829-1906)
John James Audubon (American, 1785-1851)
Thomas Sidney Cooper (English, 1803 - 1902)
Paul-Andre Robert (Swiss, 1901-1977)
Louis Agassiz (American, 1807 – 1873)
Frederick DuCane Godman (English, 1834 – 1919)
Mark Catesby (English, 1683 – 1749)
Lorenz Oken (German, 1779 – 1851)
Saverio Manetti (Italian, 1723 – 1785)
Alexandre François Desportes (French, 1661-1743)
William Holman Hunt (English, 1827-1910)
Coenraad Jacob Temminck (Dutch, 1778-1858)
Saverio Manetti (Italian, 1723 – 1785)
Mark Catesby (English, 1683 – 1749)
Saverio Manetti (Italian, 1723 – 1785)
Saverio Manetti (Italian, 1723 – 1785)
Daniel Giraud Elliot (American, 1835 – 1915)
Emil Volkers (German, 1831-1905)
Archibald Thorburn (Scottish, 1860-1935)
Coenraad Jacob Temminck (Dutch, 1778-1858)
Philipp Franz Balthasar von Siebold (German, 1796 – 1866)
Johann Friedrich Naumann (German, 1780 – 1857)
Alexander Koester (German, 1864-1932)
Géza Mészöly (Hungarian, 1844-1887)
Alfred Malherbe (French, 1804 – 1865)
George Hudson (New Zealander, 1867 – 1946)
John Frederick Herring Snr. (English, 1795 – 1865)
Christoffer Drathmann (German, 1856-1932)
René-Primevère Lesson (French, 1794 – 1849)
Saverio Manetti (Italian, 1723 – 1785)
Pieter Holsteyn II (Dutch, 1614-1673)
John James Audubon (American, 1785-1851)
Marcus Elieser Bloch (German, 1723–1799)
Edwin L. Sheppard (American, ?-1904)
Johannes Tavenraat (Dutch, 1809-1881)
John Gould (English, 1804-1881)