This yellow bird drawing may be over 100 years old but it could easily be mistaken for modern clip art. Bird images like this one could be used to create a repeating pattern or used alone. Along with the yellow bird, there’s some grass and a yellow flower in this copyright free image.
The title of this book Birds of Prey, Prang’s Natural History Series for Children bears the name of the publisher. The author was Norman Allison Calkins and the book was published without identifying an illustrator in 1878.
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.