On Tuesday from 1 to 3 p.m., Greenwich Land Trust staff will lead a winter nature walk at Duck Pond Hill, 12 Burning Tree Road. Duck Pond Hill one of the Land Trust’s forest preserves. Learn what wildlife does during the winter to survive and how to identify trees without their leaves. See a maple tapping and syrup boiling demonstration. Walking conditions are moderate difficulty. Materials fee is $5 for adults; free for children under 12. Refreshments will be served. Families welcome For more information and to register call 203-629-2151 or email firstname.lastname@example.org.