Join the Bergen County Audubon as they lead a walk at Mill Creek Marsh in Secaucus. Be on the lookout for Yellowlegs, kestrels and more. The walk is from 10 a.m. to noon. Contact: Don Torino: greatauk4@gmail.com or 201-230-4983.

Note: The NJSEA offices will be closed on Monday, Oct. 11, in observance of Columbus Day. DeKorte Park will be open regular hours, 7 a.m. to dusk.