Flight impression does change in windy conditions

A short walk from home at 12.15 and I was amazed to see what I am pretty sure was a Hen Harrier. A few Jackdaws were in pursuit and the size was right, it had a clear white rump but the wings seemed very narrow. It was windy which probably explains it but it looked nearer to a Montys/Pallid on wing shape. Wrong time of year though. It was headed south towards Shapwick/Catcott.