Source: https://www.youtube.com/watch?v=w63nQY73DIo Via: http://www.theblackvault.com/casefi...-amateur-astronomer-rome-italy-july-29-2018/# A bunch of black dots move across the face of the moon. Tracking them by per-frame differences shows slightly meandering and differing paths. Which to me simply suggests some birds. They are quite widely spaced though. Can anyone suggest a type of bird that flies like this?