File:Black Beauty are indicators of the environment "DRONGO".jpg
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Summary
[edit]DescriptionBlack Beauty are indicators of the environment "DRONGO".jpg |
English: Scientific name: Dicruridae
Phylum: Chordata Higher classification: Songbirds Order: Passerine Rank: Family Did you know: The family is usually treated as having two genera, Chaetorhynchus and Dicrurus. The drongos are a family of small passerine birds of the Old World tropics. These insectivorous birds are found in usually open forests or bush. Most are black or dark gray in colour, sometimes with metallic tints. They have long forked tails, and some Asian species have elaborate tail decorations. They have short legs and sit very upright whilst perched, like a shrike. They flycatch or take prey from the ground. The family is usually treated as having two genera, Chaetorhynchus and Dicrurus. Chaetorhynchus has contains just one species and whether or not it belongs to Dicruridae is debatable. Dicrurus contains about 25 species. They give their own genuine alarm call when they spot a predator approaching - essentially behaving as sentries - and other animals come to trust that this call signals real danger. But they sometimes give this alarm call when no danger exists to fool other animals into fleeing and abandoning their food. The young drongos probably pick up the skill by watching adults. Juveniles will often follow adults on their robbery missions and they make false alarms for themselves after they see their mentors doing the same. |
Date | |
Source | Own work |
Author | Shiv's fotografia |
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current | 05:57, 4 October 2017 | 4,608 × 3,456 (10.01 MB) | Shiv's fotografia (talk | contribs) | User created page with UploadWizard |
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Camera manufacturer | FUJIFILM |
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Camera model | FinePix HS35EXR |
Exposure time | 1/52 sec (0.019230769230769) |
F-number | f/5 |
ISO speed rating | 400 |
Date and time of data generation | 05:24, 17 February 2015 |
Lens focal length | 94.6 mm |
Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | Adobe Photoshop CS2 Windows |
File change date and time | 11:19, 4 October 2017 |
Y and C positioning | Co-sited |
Exposure Program | Normal program |
Exif version | 2.3 |
Date and time of digitizing | 05:24, 17 February 2015 |
Meaning of each component |
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Image compression mode | 3.2 |
APEX shutter speed | 5.72 |
APEX aperture | 4.6 |
APEX brightness | 3.05 |
APEX exposure bias | −0.33 |
Maximum land aperture | 3 APEX (f/2.83) |
Metering mode | Pattern |
Light source | Shade |
Flash | Flash did not fire, compulsory flash suppression |
Supported Flashpix version | 1 |
Color space | sRGB |
Focal plane X resolution | 7,166 |
Focal plane Y resolution | 7,166 |
Focal plane resolution unit | 3 |
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 | Manual white balance |
Scene capture type | Standard |
Sharpness | Normal |
Subject distance range | Unknown |
Supported Flashpix version | 1 |
Image width | 4,608 px |
Image height | 3,456 px |
Date metadata was last modified | 16:49, 4 October 2017 |
IIM version | 2 |