This is a series of 9 observations that result from a good half hour during which I observed 5 birds of prey which hunted together in a freshly tilled field - mostly on foot but quite often with short capers. This situation resembles one with 7 Buzzards that I have observed on 11 Nov 2015.
There were 4 Red Kites and 1 Black Kite. Could it be that these birds migrate together?