File:Spectacled Petrel, Procellaria conspicillata (cropped).jpg
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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. | |||
Date | ||||
Source | Flickr: Spectacled Petrel, Procellaria conspicillata | |||
Author | Brian Gratwicke | |||
Permission (Reusing this file) |
This file is licensed under the Creative Commons Attribution 2.0 Generic license.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 20:40, 14 February 2023 | 1,723 × 1,293 (573 KB) | Hector Bottai (talk | contribs) | File:Spectacled Petrel, Procellaria conspicillata.jpg cropped 29 % horizontally, 20 % vertically using CropTool with precise mode. |
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This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
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 |
Orientation | Normal |
Software used | Aperture 3.2.3 |
File change date and time | 11:56, 18 March 2012 |
Exposure Program | Shutter priority |
Exif version | 2.21 |
Date and time of digitizing | 11:56, 18 March 2012 |
Meaning of each component |
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APEX shutter speed | 10 |
APEX aperture | 7.625 |
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 |
Supported Flashpix version | 1 |
Color space | sRGB |
Focal plane X resolution | 5,715.5454545455 |
Focal plane Y resolution | 5,808.4035087719 |
Focal plane resolution unit | inches |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Manual white balance |
Scene capture type | Standard |
Serial number of camera | 670503251 |
Lens used | Canon EF 100-400mm f/4.5-5.6L IS |
Rating (out of 5) | 2 |
IIM version | 2 |