Birds are indicators of the environment. If they are in trouble, we know we'll soon be in trouble.
Roger Tory PetersonWe don't have to go to wild places to find wildlife. A surprisingly wide range of species can be found in our sities and towns, from familiar animals like the raccoon to more exotic ones like the mountain lion.
Roger Tory PetersonThe 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 Peterson