High in the darkening sky, a flock of enormous ravens swoop and swirl - narrow black wings stretched wide, heads protruding forward and huge hairy beaks scything through the air.
Every few minutes they let out deep, throaty, honking calls as they soar effortlessly, circling around until, finally, they spot their prey and swoop.
But forget dormice, voles or even small furry rabbits; these sinister looking birds are feasting on something far larger - newborn lambs....more
