An eagle stands guard over its nest in this vintage magazine image. This black and white eagle image is in the public domain and can be used however you wish.
This vintage drawing and a number of others appeared in St. Nicholas Magazine for Boys and Girls, Vol. 5, September 1878, No. 11.
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.