File:Oxyura australis 1.jpg
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Size of this preview: 800 × 533 pixels. Other resolutions: 320 × 213 pixels | 640 × 427 pixels | 1,024 × 683 pixels | 1,280 × 853 pixels | 2,560 × 1,707 pixels | 3,696 × 2,464 pixels.
Original file (3,696 × 2,464 pixels, file size: 3.07 MB, MIME type: image/jpeg)
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Summary[edit]
DescriptionOxyura australis 1.jpg | The Blue-billed Duck (Oxyura australis) is a small Australian stiff-tailed duck, with both the male and female growing to a length of 40 cm (16 in). The male has a slate-blue bill which changes to bright-blue during the breeding season, hence the duck?s common name (see photo). The male has deep chestnut plumage during breeding season, reverting to a dark grey. The female retains black plumage with brown tips all year round. The duck is endemic to Australia's temperate regions, inhabiting natural inland wetlands and also artificial wetlands such as sewage ponds in large numbers. It can be difficult to observe due to its cryptic nature during its breeding season through autumn and winter. The male duck exhibits a complex mating ritual. The blue-billed duck is omnivorous, with a preference for small aquatic invertebrates. BirdLife International has classified this species as Near Threatened. Major threats include drainage of deep permanent wetlands, or their degradation as a result of introduced fish, peripheral cattle grazing, salinisation and lowering of ground water. |
Date | |
Source |
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Author | Richard Ashurst |
Camera location | 37° 47′ 11.48″ S, 144° 56′ 59.41″ E | View this and other nearby images on: OpenStreetMap | -37.786521; 144.949836 |
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Licensing[edit]
This file is licensed under the Creative Commons Attribution 2.0 Generic license.
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This image was originally posted to Flickr by __Wichid__ at https://www.flickr.com/photos/43603415@N08/4738192538. It was reviewed on 4 July 2010 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0. |
4 July 2010
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 14:31, 4 July 2010 | 3,696 × 2,464 (3.07 MB) | File Upload Bot (Magnus Manske) (talk | contribs) | {{Information |Description=The Blue-billed Duck (Oxyura australis) is a small Australian stiff-tailed duck, with both the male and female growing to a length of 40 cm (16 in). The male has a slate-blue bill which changes to bright-blue during the breedin |
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Camera manufacturer | Canon |
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Camera model | Canon EOS 50D |
Exposure time | 1/400 sec (0.0025) |
F-number | f/2.8 |
ISO speed rating | 200 |
Date and time of data generation | 15:54, 26 June 2010 |
Lens focal length | 200 mm |
Horizontal resolution | 230 dpi |
Vertical resolution | 230 dpi |
File change date and time | 20:50, 27 June 2010 |
Exposure Program | Manual |
Exif version | 2.21 |
Date and time of digitizing | 15:54, 26 June 2010 |
APEX shutter speed | 8.6438557763061 |
APEX aperture | 2.9708542713568 |
APEX exposure bias | 0 |
Maximum land aperture | 3 APEX (f/2.83) |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
DateTimeOriginal subseconds | 99 |
DateTimeDigitized subseconds | 99 |
Color space | sRGB |
Focal plane X resolution | 5,315.4358974359 |
Focal plane Y resolution | 5,306.5327102804 |
Focal plane resolution unit | inches |
Custom image processing | Normal process |
Exposure mode | Manual exposure |
White balance | Auto white balance |
Scene capture type | Standard |
Contrast | 25 |
Saturation | Normal |
Sharpness | 91 |