I'm glad I stopped to get video of these two, their friends flying by made some very interesting sounds.
https://instagram.com/p/BgL9GFUj3m1











Setting out, I thought the skies would be too clear to get a good time lapse, but brought the cameras anyway. Turned out to be a good choice.
https://instagram.com/p/BgMWg2GDM0M
Steve and Sam say hi.

