4K HD Wallpaper: Green Lizard
Even a lizzard can be beautiful if you know to do the photo. This one was made by Vojtech Kane and from his courtesy can be saved free under CC0 license for use in desktop backgrounds, homescreen phones, blogs, social media, content marketing...
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)