1. Le pic borèal. Picus borealis. pl.122.: Prêtre Pinxt.: Langlois imp.: Bouquet Sculpt. Collection: Hill Ornithology Collection Date: 1807 Format: Image Creator: Prêtre, Jean-Gabriel (Swiss-French natural history painter of birds, mammals, and reptiles with several species of animal named after him, 1768-1849) Engraver: Bouquet
2. Chrysoptilus kirkii - Malh.: Novr. 1847. Collection: Hill Ornithology Collection Date: 1848 Format: Image Creator: Strickland, Catherine Dorcas Maule Jardine (Scottish naturalist and illustrator specializing in ornithological illustrations and identification, 1825-1888)
3. Drawn on stone by W.E.Hitchcock: Geo.G. White, del: Lith. Printed & Cold. by J.T. Bowen, Philadelphia: The Californian Woodpecker: Melanerpes formicivorus (Swains) Collection: Hill Ornithology Collection Date: 1856 Format: Image Creator: Hitchcock, William E. (American draftsman and lithographer, born ca. 1823 or 1825, died ca. 1880) Engraver: White, George Gorgas
4. Le mégapic-impérial: fig. 1. mâle: 2,3. femelle: Le mégapic à bec d'ivoire: fig. 4. mâle: 5. femelle: Megapicus (Malh.) Imperialis (Gould): Megapicus (Malh.) Principalis (Linn.): Delahaye, pinxt. et lith.: A. Malherbe, dirext.: Lith. Beoquet Freres a Paris Collection: Hill Ornithology Collection Date: 1861 Format: Image Creator: Delahaye (French artist, 19th century)