Thank goodness for digital cameras. I must have walked hundreds of miles and shot hundreds of pictures of blank skies trying to capture buzzards, kestrels and so on. Finally I have some grainy shots of kestrels and rooks. The gale force wind was so strong that it was hard to hold the camera still. Remarkably Panasonic's image stability software largely compensated for my wobbly shots.
The irony is that all of the below pictures were taken within 20m of a public car park, complete with ice cream van and lots of people, at Brookgreen on the Isle of Wight. The "dot" in the sky in the picture below is the kestrel. Click on any picture to expand it.