Peter Alden
Peter Alden, Concord native, ornithologist, naturalist, and author, will discuss the changes over time to Concord’s bird and mammal inhabitants. Peter has written more than 15 books on North American and African wildlife, including the National Audubon Society’s Regional Field Guide Series. He organized the world’s first Biodiversity Days with Dr. Edward O. Wilson. On two July days, 2,700 species of fungi, plants, and animals were found within five miles of Walden Pond.