Save the birds
Rudolf L. Schreiber (Director), A. W. Diamond (Author), Roger Tory Peterson (Author), Walter Cronkite (Author)
Describes the major natural environments of the earth from the tropics to the polar regions, the roles played in those ecosystems by birds, and the effects that humans have on them
Print Book, English, 1989
Houghton Mifflin Company, Boston, 1989