Who laid the round, red egg in the coot's new nest? Characteristic (""croo-croo. . . psee-eek, psee-eek,"" etc.) disclaimers from morning dove, cowbird, oriole, robin, etc., including the characteristics of each of their eggs. . . and then a little boy arrives: the remarkable egg is his ball. In the guise of a story, a guide to bird calls, egg coloration and nest construction--all out of tim mouths of birds.