1. Anatra d'estate. - Anas estiva.: All'Illmo: Sigre: Dottore Orazio Traversari Medico a Cervia. Collection: Hill Ornithology Collection Date: 1765-1776 Format: Image Creator: Vanni, Violanta (Italian printmaker and graphic artist, ca. 1732-1776), ...
2. American Black Duck [Dusky Duck]: Anas obscura. Collection: Hill Ornithology Collection Date: 1827 Format: Image Creator: Audubon, John James (American painter and naturalist, 1785-1851)
3. Wood Duck [Summer or Wood Duck]: Anas sponsa, 65. Collection: Hill Ornithology Collection Date: 1827 Format: Image Creator: Audubon, John James (American painter and naturalist, 1785-1851)
4. Anas wyvilliana, Scl. 2 males: J.G. Keulemans del et lith.: Mintern Bros. Imp. Collection: Hill Ornithology Collection Date: 1893 Format: Image Creator: Keulemans, Johannes Gerardus (Dutch painter and printmaker, 1842-1912, active in England) Engraver: Mintern Bros
