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File:Spectacled Petrel,
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DescriptionSpectacled Petrel, Procellaria conspicillata.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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(Reusing this file)
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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Spectacled Petrel

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inception

18 March 2012

captured with

Canon EOS 7D

media type

image/jpeg

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Date/TimeThumbnailDimensionsUserComment
current11:45, 23 April 2012Thumbnail for version as of 11:45, 23 April 20122,424 × 1,616 (1,003 KB)Flickr upload botUploaded from http://flickr.com/photo/19731486@N07/6945973826 using Flickr upload bot

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Camera manufacturerCanon
Camera modelCanon EOS 7D
Exposure time1/1,000 sec (0.001)
F-numberf/14
ISO speed rating500
Date and time of data generation11:56, 18 March 2012
Lens focal length400 mm
OrientationNormal
Software usedAperture 3.2.3
File change date and time11:56, 18 March 2012
Exposure ProgramShutter priority
Exif version2.21
Date and time of digitizing11:56, 18 March 2012
Meaning of each component
  1. does not exist
  2. does not exist
  3. does not exist
  4. Y
Shutter speed10
APEX aperture7.625
Exposure bias0
Maximum land aperture5.656853725851 APEX (f/7.1)
Metering modePattern
FlashFlash did not fire, compulsory flash suppression
DateTime subseconds00
DateTimeOriginal subseconds00
DateTimeDigitized subseconds00
Supported Flashpix version1
Color spacesRGB
Focal plane X resolution5,715.5454545455
Focal plane Y resolution5,808.4035087719
Focal plane resolution unitinches
Custom image processingNormal process
Exposure modeAuto exposure
White balanceManual white balance
Scene capture typeStandard
IIM version2

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