Portrait of a Chameleon Lizard HD

The best portrait of a chameleon lizard featured until now is in this wallpaper shared free under CC0 license by courtesy of Frank Winkler · Download the picture with the green chameleon from listed links in 4K, HD and wide sizes to apply as background in phones, tablets and desktop screens or maybe to feature as header image in web articles, webdesign projects...

EXIF Metadata:
Camera: Canon EOS-1D | Taken: May 21, 2003
Settings: Aperture: f/14.0 | Exposure time: 3/5 | Focal length: 180.0 mm | ISO / Flash: 200 / YES
Photographer: Frank Winkler from Maselheim, Germany | Facebook Page | Google+ Profile | Pixabay Portfolio
License: Public Domain CC0.
Dear audience, if you use the picture elsewhere, it would be nice to mention the photographer (and put a link to source if it's possible).
Thank you!