John Gould (English, 1804-1881)
W. A . Blakston (English, 19th Century)
Alfred Malherbe (French, 1804 – 1865)
Emil August Göldi (Swiss, 1859-1917)
W. A . Blakston (English, 19th Century)
Tobias Stranover (Austrian, 1684–1756)
John Gould (English, 1804-1881)
Alfred Malherbe (French, 1804 – 1865)
Daniel Giraud Elliot (American, 1835 – 1915)
Coenraad Jacob Temminck (Dutch, 1778-1858)
Alfred Malherbe (French, 1804 – 1865)
Emil August Göldi (Swiss, 1859-1917)
John Gould (English, 1804-1881)
Alfred Malherbe (French, 1804 – 1865)
John Gould (English, 1804-1881)
Léo-Paul Robert (Swiss, 1851 - 1923)
John Gould (English, 1804-1881)
Robert Ridgway (American, 1850 – 1929)
Daniel Giraud Elliot (American, 1835 – 1915)
Marinus Adrianus Koekkoek The Younger (Dutch, 1873–1944)
John Gould (English, 1804-1881)
W. A . Blakston (English, 19th Century)
Jacques Barraband (French, 1767 – 1809)
Joseph Wolf (German, 1820-1899)
Coenraad Jacob Temminck (Dutch, 1778-1858)
W. A . Blakston (English, 19th Century)
Coenraad Jacob Temminck (Dutch, 1778-1858)
Coenraad Jacob Temminck (Dutch, 1778-1858)
John Gould (English, 1804-1881)