4K HD Wallpaper: Bunny
Cute bunny in this image took by Daniel Watson and shared from his courtesy under CC0 license. If you'd like to have a bunny portrait in your desktop background and homescreen phone just choose the optimal resolution for your device. And yes the image is free and can be used in other projects such as blogs, apps, social media, webdesign... but if it's not to hard don't forget to mention the photographer!
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 many tablets)
HTC, Samsung Galaxy & iPhone: 1080x1920 (compatible with many phones)