Lêer:Spectacled Petrel, Procellaria conspicillata.jpg

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Beskrywing The Spectacled Petrel is a member of the Procellaria genus, and in turn is a member of the Procellariidae family, and the Procellariiformes order. 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.Finally, they also have a salt gland that is situated above the nasal passage and helps desalinate their bodies, due to the high amount of ocean water that they imbibe. It excretes a high saline solution from their nose. In 2004, BirdLife International split the Spectacled Petrel, Procellaria conspicillata, from the White-chinned Petrel, Procellaria aequinoctialis, which had been considered conspecific or even a color morph.
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Bron Flickr: Spectacled Petrel, Procellaria conspicillata
Outeur Brian Gratwicke
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This image, which was originally posted to Flickr, was uploaded to Commons using Flickr upload bot on 23 April 2012, 11:44 by 99of9. On that date, it was confirmed to be licensed under the terms of the license indicated.
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huidig11:45, 23 April 2012Duimnaelskets vir weergawe vanaf 11:45, 23 April 20122 424 × 1 616 (1 003 KG)Flickr upload botUploaded from http://flickr.com/photo/19731486@N07/6945973826 using Flickr upload bot

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