Exactly T,F! So why poison a pair of Eagles on a grouse moor? They will prey on harriers,stoats,martins etc and the odd grouse but mainly the hundreds of white hares that inhabit these moors.Ive been up running them enough times and there everywere!Ive seen your pics with a trailer full of non native red legged partridge,what harm do these do to the native common partridge? Grey squirrels have a direct impact on the native reds,signal cray fish on native etc. On my local moor as soon as a harrier,buzzards perigrines apper,they are gone within weeks.As already stated,there part of nature and th