Contains materials for birds episode of WGBH's 10-part "Walsh's Animals" series, featuring John Walsh, field officer for the International Society for Protection of Animals, directed by Beverly Shaffer. Includes loose leaf notes, lists of birds, reviews of pigeon fertility, the episode's script, articles and research pertaining to birds, correspondence pertaining to pigeon pest control, and correspondence with the New York Zoological Society and Massachusetts Audubon Society.