"Originally published in a slightly different form as a Random House Early Bird Book in 1969 and as a Random House Picturebook in 1977"--P. facing t.p.
Summary:
When Mr. and Mrs. Bird discover an egg in their nest, they care for it even though it isn't theirs.
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.