Cigno bagnato



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Italiano: Testa di un cigno reale (Cygnus olor) con gocce d'acqua ben visibili che ne dimostrano l'impermeabilità delle piume, dovuta a una una sostanza grassa secreta dalla ghiandola detta uropigio. Questa sostanza viene raccolta col becco e spalmata sul piumaggio per proteggerlo e renderlo impermeabile.
English: Head of a Mute Swan (Cygnus olor) with visible water drops that demonstrate the impermeability of the feathers, due to a fatty substance secreted by a gland called uropygial gland. This substance is collected and spread on the feathers with the beak, in order to protect them and make them waterproof.
English: Head of a Mute swan with visible impermeability of its feathers.
Source Own work
Author VuPi


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European Science Photo Competition 2015
This image was uploaded as part of European Science Photo Competition 2015.

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EXIF data:
File name cigno_bagnato.jpg
Size, Mbytes 0.7627275390625
Mime type image/jpeg
Camera manufacturer NIKON CORPORATION
Camera model NIKON D3100
Orientation of image 1
Image resolution in width direction 72
Image resolution in height direction 72
Unit of X and Y resolution 2
Exposure time 10/2500 sec (0.004)
F number f / 8
ISO speed rating 100
Compressed bits per pixel 4
Exif version 0220
Lens focal length 135 mm
Date and time original image was generated 2014:03:12 13:50:38
Date and time image was made digital data 2014:03:12 13:50:38
Meaning of each component 
Exposure bias 0
Maximum lens aperture 5.1
Metering mode 5
User comments ASCII
Supported Flashpix version 0100
Color space information 1
Exif image width 4608
Exif image length 3072
Sensing method 2
Scene type 
Digital zoom ratio 1
Focal length in 35 mm film 202 mm
Software used QuickTime 7.6.6

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