The philosophy that I have worked under most of my life is that the serious study of natural history is an activity which has far-reaching effects in every aspect of a person's life. It ultimately makes people protective of the environment in a very committed way. It is my opinion that the study of natural history should be the primary avenue for creating environmentalists.
Roger Tory PetersonI can recognize the calls of practically every bird in North America. There are some in Africa I don't know, though
Roger Tory Peterson