The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.
- David, Normand, and Michel Gosselin. 2002. The grammatical gender of avian genera. Bulletin of the British Ornithologists' Club, vol. 122, no. 4. 257-282
- WoRMS (2014). Pygoscelis Wagler, 1832. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=225747
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