Joseph Wolf (German, 1820-1899)
John Obadiah Westwood (English, 1805 – 1893)
Saverio Manetti (Italian, 1723 – 1785)
Philipp Franz Balthasar von Siebold (German, 1796 – 1866)
George Hudson (New Zealander, 1867 – 1946)
Louis Agassiz (American, 1807 – 1873)
Emil Volkers (German, 1831-1905)
Daniel Schultz (Polish, 1615-1683)
John Gould (English, 1804-1881)
John Gould (English, 1804-1881)
Lorenz Oken (German, 1779 – 1851)
John Gould (English, 1804-1881)
Johann Georg Pforr (German, 1745 –1798)
Jules Rothschild (French, 1838-1900)
Charles Atwood Kofoid (American, 1865-1947)
John Gould (English, 1804-1881)
Lorenz Oken (German, 1779 – 1851)
Louis Agassiz (American, 1807 – 1873)
Daniel Giraud Elliot (American, 1835 – 1915)
Joseph Wolf (German, 1820-1899)
Maria Sibylla Merian (German, 1647 – 1717)
George Hudson (New Zealander, 1867 – 1946)
Anton Schrödl (Austrian, 1820-1906)
John Gould (English, 1804-1881)
Constant Troyon (French, 1810-1865)
Alexander Koester (German, 1864-1932)
Mark Catesby (English, 1683 – 1749)
Frank Edward Clarke (New Zealander, 1849 – 1899)
John Edwards Holbrook (American, 1796 – 1871)
John William Lewin (English, 1770-1819)
Coenraad Jacob Temminck (Dutch, 1778-1858)
Philipp Peter Roos (German, 1657-1706)
John Edwards Holbrook (American, 1796 – 1871)
Abbott Handerson Thayer (American, 1849-1921)
John Obadiah Westwood (English, 1805 – 1893)
Johann Friedrich Naumann (German, 1780 – 1857)
Giovanna Garzoni (Italian, 1600-1670)
Charles Hamilton Smith (English, 1776-1859)
Paul-Andre Robert (Swiss, 1901-1977)
Emil Volkers (German, 1831-1905)
George Hudson (New Zealander, 1867 – 1946)
Joseph Smit (Dutch, 1836 – 1929)
Johann Sebastian Leitner (German, 1715 - 1795)
Robert Hills (English, 1769 – 1844)
Antonio Montemezzo (Italian, 1841–1898)
Saverio Manetti (Italian, 1723 – 1785)
Archibald Thorburn (Scottish, 1860-1935)
Bruno Liljefors (Swedish, 1860–1939)
Luigi Balugani (Italian, 1737-1770)
W. A . Blakston (English, 19th Century)
Gustav Prütz (German, 19th Century)
Marcus Elieser Bloch (German, 1723–1799)
Alfred Edmund Brehm (German, 1829-1884)
Andries Vermeulen (Dutch, 1793-1814)
John James Audubon (American, 1785-1851)
Albert Pinkham Ryder (American, 1847 – 1917)
John Gould (English, 1804-1881)
Walther Gamerith (Austrian, 1903-1949)
Melchior d'Hondecoeter (Dutch, 1636-1695)