This small black and white owl image is in the public domain and downloadable. Copyright free bird images that can be used for the bird it contains or as a page spacing element can serve double duty and are quite versatile.
Oh how excited the children of 1884 must have been when they recieved their St. Nicholas: an Illustrated Magazine for Young Folks. We found a bound copy of several versions and it included this and many other drawings which are now in the public domain.
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.