Environmentalist Quotes and aphorisms about birds William Bartram Roger Tory Peterson William Bartram William Bartram John Muir ,, Indians walk softly and hurt the landscape hardly more than the birds and squirrels, and their brus... John Muir Roger Tory Peterson Roger Tory Peterson Paul Hawken ,, I doubt very much that the chief executives of any of the Fortune 500 corporations can name five ed...