Louis Agassiz (American, 1807 – 1873)
Hermanus de Wit (Dutch, 1764–1842)
John Gould (English, 1804-1881)
John Macallan Swan (English, 1847-1910)
Nils Kreuger (Swedish, 1858 - 1930)
John James Audubon (American, 1785-1851)
George Hudson (New Zealander, 1867 – 1946)
Alfred Frédol (French, 1804-1863)
Frederick DuCane Godman (English, 1834 – 1919)
Emil August Göldi (Swiss, 1859-1917)
William Henry Howe (American, 1846-1929)
Angelo Maria Crivelli (Italian, ?-c.1730)
John Gould (English, 1804-1881)
Ferdinand von Wright (Finnish, 1822- 1906)
Saverio Manetti (Italian, 1723 – 1785)
Anton Schrödl (Austrian, 1820-1906)
Louis Agassiz (American, 1807 – 1873)
Paul-Andre Robert (Swiss, 1901-1977)
Henry Jones (English, 1838-1921)
Johann Melchior Roos (German, 1663 - 1731)
John James Audubon (American, 1785-1851)
John James Audubon (American, 1785-1851)
Arthus Bertrand (French, 19th Century)
Frederick McCoy (Irish, 1817-1899)
David Klöcker Ehrenstrahl (Swedish, 1628 – 1698)
Saverio Manetti (Italian, 1723 – 1785)