Concord Birds: Then and Now

Concord Birds: Then and Now program in partnership with Mass Audubon at the Concord Museum. Using notes from Henry David Thoreau and other naturalists over the past 170 years, the speakers will present how climate change is affecting bird migration, followed by a panel of ornithologists.  Register in advance at https://concordmuseum.org/events/concord-birds-then-and-now/