A little fun fact for you; Kestrels' vision allows them to see into the ultraviolet light spectrum. This enables them, while hunting, to see the trails used by voles as they mark their routes with urine which has a natural fluorescence
Kestrel inlay
Facilitating wood interface combinational interplay since the beginning of the millennium...
Our research and development department has just completed an extensive investigation into the early work of Ken Loach and reported back with advice about the potentially huge scope for going forward in the niche 'rodent-hunting-avian-predator' market...