Pascoe, Elaine Birds use their beaks / Elaine Pascoe; photographs by Dwigth Kuhn. - United States of America : Gareth Stevens Publishing , c2002. - 21 p. : fot. - How and why . ISBN: 0-8368-3008-3 Subjects--Topical Terms: Birds----Juvenile literature Dewey Class. No.: E 598 PAS