
Annual Duck Walk, February 1, 2022
February 1, 2022
After two weather-related postponements, the WLT finally held its Duck Walk on a Tuesday afternoon. 16 participants were instantly rewarded with a bald eagle sighting! It was visible from the Mary Early footbridge, resting high on a tree limb for quite a while--we actually left it and moved on to see common mergansers, bufflehead and ring-necked ducks, plus a male hooded merganser, upstream. Resident Great blue heron, mallards, swans, a black duck, and gulls were also observed. We heard afterwards the eagle has not been seen since our walk, so we're really happy we got it in!
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February 4, 2026
Join us for walk along the Charles River trail in search of dazzling waterfowl visiting from northern climes, as well as our resident birds. Possible sightings include Bufflehead, Ring-necked, and Golden eye ducks, Hooded and Common mergansers, Great Blue herons, Red-tailed hawks, and Bald eagles! Bring cameras and binoculars. Registration is required and space is limited.

January 23, 2026
The Natural History of the Cornelia Warren Estate: Camp Cedar Hill, Girl Scouts of Eastern North America by Lesley Sneddon Now Available! Camp Cedar Hill is a portion of the former estate of Cornelia Warren . In keeping with her desire to maintain the land for public benefit, Ms. Warren wished to carry this tradition beyond her life by stating so in her will. After her death, the Trustees of Cedar Hill deeded five parcels of the estate among several beneficiaries, including the Massachusetts Girl Scouts (now the Girl Scouts of Eastern Massachusetts). To this day, Cornelia Warren’s legacy of philanthropy and social welfare continue to benefit the residents of Waltham and beyond.

December 2, 2025
Reclaim the true meaning of “the giving season” by joining people across the world donating to local charities like the WLT on the Tuesday after Black Friday and Cyber Monday. Give through the button below or mail a check dated December 2 to us at WLT, PO Box 541120, Waltham MA 02454.






