Louis Agassiz (American, 1807 – 1873)
John Edwards Holbrook (American, 1796 – 1871)
Johann Friedrich Naumann (German, 1780 – 1857)
Emil Volkers (German, 1831-1905)
Jan Fyt (Flemish, 1611-1661)
John Woodhouse Audubon (American, 1812-1862)
Emil Volkers (German, 1831-1905)
Valentine Thomas Garland (English, 1868–1914)
Theo van Hoytema (Dutch, 1863-1917)
John Gould (English, 1804-1881)
Frederick DuCane Godman (English, 1834 – 1919)
George Shaw (English, 1751 – 1813)
Frederick DuCane Godman (English, 1834 – 1919)
Johann Friedrich Naumann (German, 1780 – 1857)
Luigi Balugani (Italian, 1737-1770)
Samuel Howitt (English, 1756-1822)
Sir Edwin Henry Landseer (English, 1802–1873)
John Gould (English, 1804-1881)
Louis Agassiz (American, 1807 – 1873)
Saverio Manetti (Italian, 1723 – 1785)
Zygmunt Waliszewski (Polish, 1897-1936)
John Gould (English, 1804-1881)
John Gould (English, 1804-1881)
Wilhelm Kuhnert (German, 1865-1926)
Louis Agassiz Fuertes (American, 1874 – 1927)
John James Audubon (American, 1785-1851)
Heywood Hardy (English, 1842–1933)
Adolf van der Venne (Austrian, 1828-1911)
George Morland (English, 1763-1804)
Gustav Prütz (German, 19th Century)
Marcus Elieser Bloch (German, 1723–1799)
Louis-Isidore Duperrey (French, 1786 – 1865)
John Frederick Herring Snr. (English, 1795 – 1865)
Otto Staudinger (German, 1830 – 1900)
John James Audubon (American, 1785-1851)
Alfred Edmund Brehm (German, 1829-1884)
Sigrid Granfelt (Finnish, 1868–1942)
Allan Brooks (Canadian, 1869 – 1946)
Robert Ridgway (American, 1850 – 1929)
John Edwards Holbrook (American, 1796 – 1871)
Charles Hamilton Smith (English, 1776-1859)