• Baumel JJ, King AS, Breazile JE, Evans HE, Vanden Berge JC. 1993. Handbook of avian anatomy: Nomina Anatomica Avium. 2nd ed. Cambridge: Nuttal Ornithological Club.
  • Brichetti P, De Franceschi P, Baccetti N. 1992. Fauna d'Italia - Vol. XXIX – Aves1 – Gaviidae-Phasianidae. Bologna: Calderini.
  • Cramp S, Simmons KEL, Perrins CM, Snow DW. 2004. The interactive version of Birds of the Western Palearctic on DVD-ROM. London: Oxford University Press and Birdguides Ltd.
  • George JC, Berger AJ. 1966. Avian myology. London: Academic Press.
  • Hudson GE, Lanzillotti PJ. 1955. Gross anatomy of the wing muscles in the Family Corvidae. Am Midl Nat 53:144.
  • King AS, McLelland J. 1984. Birds – their structure and function, 2nd ed. London: Bailliere Tindall.
  • Meyers RA. 1992. Morphology of the shoulder muscolature of the American kestrel, Falco sparverius (Aves), with implication for gliding flight. Zoomorphology 112:91103.
  • Smith BJ, Smith SA. 1992. The humeroscapular bone of the Great Horned Owl (Bubo virginianus) and other raptors. Anat Histol Embryol 21:3239.
  • Vanden Berge J, Storer W. 1995. Intratendinuos Ossification in birds: a review. J Morphol 226:4777.