How did we conduct our Bird Atlas?
We divided Loudoun County into a grid of 75 blocks, based on sections of U.S. Geological Survey quadrangle maps. Each block is approximately 10 square miles. Atlas volunteers were assigned to different blocks to ensure county-wide coverage.
The volunteers used a field card to collect data on the occurrence and behavior of birds throughout Loudoun County. Data processing was handled by BBA (Breeding Bird Atlas) Explorer, an online system hosted by USGS Patuxent Wildlife Research Center. Field data was collected from April 2009 through March 2014.
Outcomes of this project
- Birds of Loudoun Checklist. This revised list includes 305 bird species identified in the county through March 2014, with over 120 reported breeders.
- Check out our Bird Atlas Summary Report
- Bird Atlas results to be published in the Virginia Society of Ornithology’s The Raven (Fall 2016)
- Bird lists for popular birding places throughout Loudoun
Stay tuned! A final Bird Atlas publication is in the works with in-depth species accounts, distribution maps, and stunning photographs.
Resources for Bird Atlas Volunteers:
Check Out our Data
Sound like fun?
The second Virginia Breeding Bird Atlas launched in 2016 and will collect data through the 2020 breeding season. We need your eyes and ears to help document species in your neighborhoods and special nature spots. Please volunteer for this important effort by checking out their website and signing up for a block.
If you have any questions or would like more information, please contact Bird Atlas Coordinator Spring Ligi at email@example.com.