Elephant drawing with a lone elephant standing on grass under a tree. This line drawing of and elephant is in the public domain. It could easily be colorized or left in its original black and white state.
The Elephant and the Wishing Fairy included this and several other drawings by Dugald Stewart Walker (1883-1937) which was published in 1921.
This image is copyright free and in the public domain anywhere that extends copyrights 70 years after death or at least 120 years after publication when the original illustrator is unknown.