Friday to Monday, Feb 15-18, 2019 Great Backyard Bird Count
See how many species you can get in your yard, your favorite patch, etc.
For more information http://gbbc.birdcount.org/
Friday to Monday, June 12-16, 2020 -- Breeding Bird Blitz
Another opportunity to add some great PA Breeding Bird data to eBird.
For more information www.breedingbirdblitz.com