Henry Noel Humphreys (English, 1807–1879)
Anselmus Boëtius de Boodt (Flemish, 1550 - 1632)
John Gould (English, 1804-1881)
Charles Hamilton Smith (English, 1776-1859)
Marcus Elieser Bloch (German, 1723–1799)
George Paice (English, 1854-1925)
Paulus Knogh (Dutch, 1737-1802)
John Gerrard Keulemans (Dutch, 1842-1912)
Edward Calvert (English, 1799-1883)
Coenraad Jacob Temminck (Dutch, 1778-1858)
George Hudson (New Zealander, 1867 – 1946)
Theo van Hoytema (Dutch, 1863-1917)
James Duncan (Canadian, 1806-1881)
John Gould (English, 1804-1881)
Christian Friedrich Mali (German, 1832-1906)
Johann Friedrich Wilhelm Herbst (German, 1743-1807)
Alpheus Spring Packard (American, 1839 – 1905)
John Gould (English, 1804-1881)
Niko Pirosmani (Georgian, 1862-1918)
Saverio Manetti (Italian, 1723 – 1785)
Louis Agassiz (American, 1807 – 1873)
Johann Friedrich Naumann (German, 1780 – 1857)
Arthur Fitzwilliam Tait (American, 1819-1905)
P. C. Skovgaard (Danish, 1817 – 1875)
Joris Hoefnagel (Flemish, 1542-1600)
Archibald Thorburn (Scottish, 1860-1935)
Johann Friedrich Naumann (German, 1780 – 1857)