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December 3, 2025
ACES Morning Birding at Hallam Lake
December 2, October 21, 2025, 8:00am-11:00am Weather: Cloudy with light snow Location: Hallam Lake, Aspen, CO This morning felt like the true arrival of winter, with plenty of new snow and the start of the season’s snowpack on the valley floor. Birds were quiet, but our observations were high in quality. Mallards in fresh breeding […]
