Battling Buzzards

At the local Buzzard territory this evening the resident dark male was having a right ding dong with another Buzzard which from size I guess was another male. It definitely wasn't the resident female. A crow was also joining in and it made quite a spectacle. It was lower down the valley than I have seen them before. I lost them and was not sure of the outcome. Also at least 1 Kestrel with a successful hunt and a Sparrowhawk with a fly past within 10ft!