Cutoff for registration to assist in the count is December 8.Birders of all skill levels are welcome on the Lisle-Arboretum CBC. The Chicago Ornithological Society(www.chicagobirder.org) sponsors this count where sub-teams are assigned to various locations. Even if you cannot go out in the field, there is another way to contribute: DBC members who live in the count circle can participate as a feederwatcher. For details and signup:https://www.chicagobirder.org/events/2023/12/17/lisle-christmas-bird-count#:~:text=WHEN%3A%20The%20Lisle%2DArboretum%20Christmas,circle%22%20on%20the%20count%20day