High Quality Content by WIKIPEDIA articles! The Antarctic Prion, Pachyptila desolata, also known as the Dove Prion, or Totorore in Maori, is the largest of the prions, a genus of small petrels of the Southern Ocean. The Antarctic Prion is a member of the Pachyptila genus, and along with the Blue Petrel makes up the Prions. They in turn are members of the Procellariidae family, and the Procellariiformes order. The prions are small and typically eat just zooplankton; however as a member of the Procellariiformes, they share certain identifying features. First, they have nasal passages that attach to the upper bill called naricorns. Although the nostrils on the Prion are on top of the upper bill. The bills of Procellariiformes are also unique in that they are split into between 7 and 9 horny plates. They produce a stomach oil made up of wax esters and triglycerides that is stored in the proventriculus. This is used against predators as well as an energy rich food source for chicks and for the adults during their long flights.

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