Interesting for about a minute. Hard to watch- constant adjustments in view, searching, looking all around, over and over. These need to be edited out and the video would be great at about 1 1/2 minutes. I turned it off at about that time.
Honestly i am not sure......That is very cool and it seems you caused no panic amongst the deer-they had other thoughts in their minds!. What were the murmurations composed of? Ours here are European starlings.