Koeppel, Dan. To see every bird on earth : a father, a son, and a lifelong obsession / Dan Koeppel. - New York, N.Y. : Hudson Street Press, c2005. - xviii, 278 p. : ill. ; 24 cm. Includes bibliographical references (p. 273-275). ISBN: 9780452285392 Subjects--Topical Terms: Bird watching--Anecdotes.