https://dwr.virginia.gov/blog/12-hours-210-miles-100-species-rockfish-gap-hawk-watch-celebrates-raptorthon/
12 Hours, 210 Miles, 100 Species: Rockfish Gap Hawk Watch Celebrates Raptorthon | Virginia DWR
At these hawk watch sites, thousands of people gather each fall to witness the annual great raptor migration of Virginia's 35 native species.