A joint project by Cornell Lab of Ornithology, Audubon, and Bird Studies of Canada.
The data/checklists that were taken between Feb 17-20th, 2012 are starting to come in to the Bird Count website. Check it out and see if your area / state ranks high for the bird count.
Deadline is March 5th for submitting checklists. Checkout the site at the Great Backyard Bird Count website