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Peter Alden: “Birds and Mammals in Concord: From Henry’s Time to Today”

Join Peter Alden, Concord native,  ornithologist, and author, to learn about 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. 2,700 species of fungi, plants and animals were found within five miles of Walden Pond on two July days.

Peter has also led hundreds of bird and nature tours, safaris, cruises and private jet excursions to 100 countries.  He serves on the Thoreau Farm board of directors.

FREE, $5 suggested donation

Watch the recording


Mar 28 2021


2:00 pm - 2:00 pm

Get news from the Thoreau Society and learn about ways you can help preserve Thoreau Country as part of our common heritage and as the embodiment of Thoreau’s landmark contributions to social, political, and environmental thought.

The Thoreau Society®, Inc.
341 Virginia Road, Concord, MA 01742
P: (978) 369-5310
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Educating people about the life, works, and legacy of Henry David Thoreau, challenging all to live a deliberate, considered life—since 1941.


Any views, findings, conclusions, or recommendations expressed in this article do not necessarily represent those of the National Endowment for the Humanities.

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