#Kestrels can give the impression of immobility as they watch their prey, but the only part of this doughty falcon not moving in the breeze was her head. She wriggled against it, tail angling, wings tilting. Kestrels also have the clever trick of allowing their bodies to drift fractionally backwards against the force of the wind, while lengthening their necks to keep their heads still, before flapping again to haul their bodies forward and squash their faces again.