This very beautiful heron, called the Egret, lives in the great swamps of North and South America. It is pure white and when it reaches maturity has a beautiful train of loose feathers cascading down its back. This vintage bird image is copyright free and in the public domain.
The Zoo from 1895 is full of wonderful bird drawings by the artist Harrison Weir (1824-1906), including this one.
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.