Nick Upton / Kestrel (Falco tinnunculus) male flying down to mate with female crouching in receptive posture on cliff ledge, Cornwall, UK, April.

Nick Upton / Kestrel (Falco tinnunculus) hovering overhead, Cornwall, UK, April.

Nick Upton / Kestrel (Falco tinnunculus) flying over sea with Short-tailed field vole (Microtus agrestis) prey, caught on coastal grassland, Cornwall, UK, April.

Nick Upton / Kestrel (Falco tinnunculus) in flight close to cliff face descending on upcurrents, Cornwall, UK, April.

Roger Powell / Lesser kestrel (Falco naumanni) male in courtship flight display, Extremadura, Spain.

Roger Powell / Lesser kestrel (Falco naumanni) male in flight with lizard prey, Extremadura, Spain.

Roger Powell / Lesser Kestrel (Falco naumanni) male flying past. Extremadura, Spain. April.