Sten Nijssen took the photography in South Africa. If you'd like to have a beautiful lioness as your desktop wallpaper or phone background check the image at the optimal resolution for your devices. From courtesy of Sten Nijssen the image related to lions can be saved under CC0 license and also apply in other projects that you might have.
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)