[Tweeters] Vaux's Happening
leschwitters at me.com
Thu Sep 23 12:31:46 PDT 2021
15 Vaux’s Swifts spent the night in the Monroe Wagner roost.
37,000 gathered together near North San Francisco Bay.
Our Vaux's Happening project has documented over a million and a quarter swifts going to roost this migration. Our record is a million and a half. We should come close to that.
More information about the Tweeters