Categories environmental Roger Tory Peterson Roger Tory Peterson | environmental Birds are indicators of the environment. If they are in trouble, we know we’ll soon be in trouble. Post author By Beautiful Quotes Post date December 10, 2022 No Comments on Roger Tory Peterson | environmental Birds are indicators of the environment. If they are in trouble, we know we’ll soon be in trouble. Roger Tory Peterson 00 Tags environmental, Roger Tory Peterson ← Isaac Bashevis Singer | environmental → Aldo Leopold | environmental Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Δ