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Petrel, White-chinned
Bird Info
Bird Info
Conservation status
Scientific Name:
Procellaria aequinoctialis
Africa, Angola, Argentina, Asia, Atlantic Islands, Australasia, Australia, Brazil, California, Chile, East Africa, Eastern Cape Province, Ecuador, Global, Kenya, KwaZulu Natal Province, Maine, Michigan, Mozambique, Namibia, New Zealand, North America, Northern Cape Province, Peru, Polynesia, South Africa, South America, South Central Africa, Southern Africa, Texas, United States, Uruguay, Western Cape Province Read more
Related Reading
A global population of 1,200,000 breeding pairs, down from 1,430,000 pairs in the 1980s, is estimated based on figures from 1985-2011. This equates to an estimated global population of c.3 million mature individuals, based on the estimated number of breeding pairs extrapolated according to a ratio f ...
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The White-chinned 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.[ 3] 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.[ 4] ...
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