Pull up! Pull up!
It took two days to capture these Starlings flocking together against a blue sky - no mean achievement as it's been snowing and raining aplenty this spring! They often fly below ten feet, quickly moving around the fields capturing small grubs and insects and often assembling into a ball of birds.
The Pro1 isn't the best for this sort of photography, but I pre-focussed and used the Hi-speed mode (2.5 frames a second, supposedly, but then a long wait while they're written to the card!), and hoped to get lucky.