Registration for this event has closed. If you are missing out, please join us next time in May!

Join Robert Mercer, and an amazing team of Birders, for this fun, free event.

We welcome people with all levels of experience (including “no experience”) to participate in this important citizen science national bird census. Participants may sign up for the whole day or part(s) of the day. Pre-registration is required if participating.

This event will take place at different locations throughout the day.

Register by calling 215 785-1177, by scrolling down, or by stopping into the Visitors’ Building.