File:Macrochelys temminckii (alligator snapping turtle) 1 (15101339964).jpg
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Summary
[edit]DescriptionMacrochelys temminckii (alligator snapping turtle) 1 (15101339964).jpg |
Macrochelys temminckii Troost, 1835 - alligator snapping turtle (captive, Newport Aquarium, Newport, Kentucky, USA). This large, heavy, freshwater aquatic turtle is a ambush hunter. It lies still on a substrate and uses a bright pink-colored, worm-like structure on its tongue to attract potential prey, such as fish. The jaws of this animal are exceedingly powerful. Classification: Animalia, Chordata, Vertebrata, Reptilia, Anapsida, Chelonia, Chelydridae The turtles & tortoises (chelonians) are an ancient group of reptiles that have a Triassic to Holocene stratigraphic record. Turtles are most easily recognized by their shell - some forms can retract the head & limbs into the shell when threatened, while other species cannot. Their overall body plan has changed very little since the Triassic - a great example of conservative evolution. Chelonians occur in terrestrial, freshwater, brackish-water, and marine settings. |
Date | |
Source | Macrochelys temminckii (alligator snapping turtle) 1 |
Author | James St. John |
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This image was originally posted to Flickr by jsj1771 at https://www.flickr.com/photos/47445767@N05/15101339964. It was reviewed on 3 May 2015 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0. |
3 May 2015
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current | 21:00, 3 May 2015 | 2,772 × 1,983 (1.46 MB) | Natuur12 (talk | contribs) | Transferred from Flickr via Flickr2Commons |
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Camera manufacturer | NIKON CORPORATION |
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Exposure time | 1/60 sec (0.016666666666667) |
F-number | f/4.2 |
Date and time of data generation | 14:19, 14 May 2006 |
Lens focal length | 38 mm |
Orientation | Normal |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | Adobe Photoshop CS2 Macintosh |
File change date and time | 20:54, 5 November 2014 |
Y and C positioning | Co-sited |
Exposure Program | Normal program |
Exif version | 2.21 |
Date and time of digitizing | 14:19, 14 May 2006 |
Meaning of each component |
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Image compression mode | 4 |
APEX exposure bias | −0.33333333333333 |
Maximum land aperture | 4.1 APEX (f/4.14) |
Metering mode | Spot |
Light source | Unknown |
Flash | Flash fired, strobe return light detected, auto mode |
DateTime subseconds | 80 |
DateTimeOriginal subseconds | 80 |
DateTimeDigitized subseconds | 80 |
Supported Flashpix version | 1 |
Color space | sRGB |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Scene type | A directly photographed image |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Focal length in 35 mm film | 57 mm |
Scene capture type | Standard |
Scene control | None |
Contrast | Soft |
Saturation | Normal |
Sharpness | Soft |
Subject distance range | Unknown |
Supported Flashpix version | 1 |
Image width | 2,772 px |
Image height | 1,983 px |
Date metadata was last modified | 15:54, 5 November 2014 |