File:Spectacled Petrel, Procellaria conspicillata Cropped.jpg
![File:Spectacled Petrel, Procellaria conspicillata Cropped.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/c/cd/Spectacled_Petrel%2C_Procellaria_conspicillata_Cropped.jpg/480px-Spectacled_Petrel%2C_Procellaria_conspicillata_Cropped.jpg?20121025195135)
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DescriptionSpectacled Petrel, Procellaria conspicillata Cropped.jpg |
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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Source | Flickr: Spectacled Petrel, Procellaria conspicillata | ||
Author | Brian Gratwicke | ||
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current | 19:51, 25 October 2012 | ![]() | 721 × 900 (232 KB) | Roarjo (talk | contribs) | {{Information |Description = 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 feature... |
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Metadata
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Camera manufacturer | Canon |
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Camera model | Canon EOS 7D |
Exposure time | 1/1,000 sec (0.001) |
F-number | f/14 |
ISO speed rating | 500 |
Date and time of data generation | 11:56, 18 March 2012 |
Lens focal length | 400 mm |
Label | |
Horizontal resolution | 240 dpi |
Vertical resolution | 240 dpi |
Software used | Aperture 3.2.3 |
File change date and time | 2012-10-25T08:02:10+02:00 |
Exposure Program | Shutter priority |
Exif version | 2.2 |
Date and time of digitizing | 11:56, 18 March 2012 |
APEX shutter speed | 9.965784 |
APEX aperture | 7.61471 |
APEX exposure bias | 0 |
Maximum land aperture | 5.656853725851 APEX (f/7.1) |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
DateTime subseconds | 00 |
DateTimeOriginal subseconds | 00 |
DateTimeDigitized subseconds | 00 |
Focal plane X resolution | 5,715.5454545455 |
Focal plane Y resolution | 5,808.4035087719 |
Focal plane resolution unit | inches |
Exposure mode | Auto exposure |
White balance | Manual white balance |
Scene capture type | Standard |
Lens used | Canon EF 100-400mm f/4.5-5.6L IS |
Serial number of camera | 670503251 |
Rating (out of 5) | 2 |
Date metadata was last modified | 10:02, 25 October 2012 |
IIM version | 2 |