4K HD Wallpaper: Asian (Vogel's) Pit Viper
If you like snakes, you should see this image which is available under CC By-Sa license and optimized here for use in desktop backgrounds and homescreen phones.
Widescreen Desktop / Macbook (Retina): 2880x1800 (fits on: 2560x1600, 1920x1200, 1440x900)
High Definition HD 1080p: 1920x1080 (fits on: 1600x900, 1366x768, 1280x720)
Samsung Galaxy Tab & iPad: 2048x2048 (compatible with almost all tablets)
HTC, Samsung Galaxy & iPhone: 1080x1920 (compatible with many smartphones)
Camera: Nikon D800 | Lens: 28.0-300.0 mm f/3.5-5.6 | Taken: September 29, 2014
Settings: Aperture: f/5.6 | Exposure time: 1/60 | Focal Length: 300 mm | ISO / Flash: 1600 / NO