More information at their website.
Alternatively, if you're the kind of reader who misses the Feederwatch Friday posts, and you can get WAAAAAAY up to Lubec, Maine, you may enjoy the big Downeast Birding Festival. It also runs throughout Memorial Day weekend.
Of course, if you enjoy birds and animation (if you're me, in other words), you'll want to try and attend both events. Unfortunately, I will not be able to go, but there is an excellent reason for this...