File:Black-headed_Ibis_(Threskiornis_melanocephalus).jpg
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Summary
DescriptionBlack-headed Ibis (Threskiornis melanocephalus).jpg |
English: Black-headed Ibis (Threskiornis melanocephalus) photographed in natural habitat, Tirunelveli, India. It is a near-threatened species of wading bird breeding in Asia from India to the west as far as Japan in the east.
A large waterbird with adults measuring 65-76 cm in length, it is the only native ibis species in its range that has an overall white plumage starkly contrasted against a conspicuous naked black neck and head and a black, down-curved beak. Tails of adults bear light grey ornamental feathers that turn black during the breeding season, as can be seen here. Like storks and spoonbills, it lacks a true voice-producing mechanism and is silent except for ventriloquistic grunts uttered by pairs at the nest. A versatile species that uses a large variety of natural and man-made habitats including freshwater and saltwater marshes, lakes and ponds, crop fields, irrigation canals, urban lakes and grazing lots, they are now categorized as Near Threatened (NT) by the International Union for Conservation of Nature as their population has declined considerably in southeast Asia. |
Date | |
Source | Own work |
Author | Hari Krishnan |
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Items portrayed in this file
depicts
13 January 2019
0.0003125 second
7.1
300 millimetre
800
image/jpeg
d5df124b8f0748552c667c83bb268c093ca4c015
7,178,594 byte
2,167 pixel
3,251 pixel
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 22:42, 23 January 2019 | 3,251 × 2,167 (6.85 MB) | PhotoDoc | Higher resolution image | |
08:00, 23 January 2019 | 3,251 × 2,167 (1.19 MB) | PhotoDoc | User created page with UploadWizard |
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Metadata
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Camera manufacturer | NIKON CORPORATION |
---|---|
Camera model | NIKON D3100 |
Exposure time | 1/3,200 sec (0.0003125) |
F-number | f/7.1 |
ISO speed rating | 800 |
Date and time of data generation | 11:20, 13 January 2019 |
Lens focal length | 300 mm |
Orientation | Normal |
Horizontal resolution | 240 dpi |
Vertical resolution | 240 dpi |
Software used | Adobe Photoshop CC 2015 (Windows) |
File change date and time | 17:38, 23 January 2019 |
Exposure Program | Aperture priority |
Exif version | 2.3 |
Date and time of digitizing | 11:20, 13 January 2019 |
Shutter speed | 11.643856 |
APEX aperture | 5.655638 |
Exposure bias | 0 |
Maximum land aperture | 5 APEX (f/5.66) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash did not fire |
DateTimeOriginal subseconds | 80 |
DateTimeDigitized subseconds | 80 |
Color space | Uncalibrated |
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 | 450 mm |
Scene capture type | Standard |
Scene control | Low gain up |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Unknown |
Serial number of camera | 8363817 |
Lens used | 70.0-300.0 mm f/4.0-5.6 |
Date metadata was last modified | 12:38, 23 January 2019 |
Rating (out of 5) | 0 |
Unique ID of original document | E6AC39161E2D7DE70B15954765A4C944 |
IIM version | 24,832 |