Join the Bergen County Audubon Society on Oct. 20 for their Third- Tuesday-of-the-Month Meadowlands Nature Walk. The free walk is at Laurel Hill Park in Secaucus from 10 am to noon. Keep an eye out for migrating raptors, shorebirds and other birds of interest, like the Northern Harrier shown in this post. The walk meets at the main parking lot by the ballfields. For more information, email firstname.lastname@example.org or call 201-230-4983.