Frank Edward Clarke (New Zealander, 1849 – 1899)
W. A . Blakston (English, 19th Century)
Gustáv Mallý (Slovak, 1879 – 1952)
Coenraad Jacob Temminck (Dutch, 1778-1858)
John James Audubon (American, 1785-1851)
Bernard te Gempt (Dutch, 1826-1879)
Louis Agassiz (American, 1807 – 1873)
Wilhelm Kuhnert (German, 1865-1926)
Alpheus Spring Packard (American, 1839 – 1905)
Alfred Verwee (Belgian, 1838-1895)
John Gould (English, 1804-1881)
Bruno Dürigen (German, 1853–1930)
John Baptist Jackson (English, 1701-c. 1780)
Coenraad Jacob Temminck (Dutch, 1778-1858)
Jan van Oort (Dutch, 1867-1938)
Saverio Manetti (Italian, 1723 – 1785)
Joseph Wolf (German, 1820-1899)
René-Primevère Lesson (French, 1794 – 1849)
Pieter van der Hulst (Dutch, 1651-1727)
Robert Ridgway (American, 1850 – 1929)
Theo van Hoytema (Dutch, 1863-1917)
Saverio Manetti (Italian, 1723 – 1785)
Bruno Liljefors (Swedish, 1860–1939)
John James Audubon (American, 1785-1851)
Anonymous
Saverio Manetti (Italian, 1723 – 1785)
Luigi Balugani (Italian, 1737-1770)