My story about the wee lamb who had to learn to suck his milk from a saucer because a crow had eaten half of his tongue while he was being born... He was the lucky one, many more are maimed beyond help each year.
They're not endangered, they do attack living lambs and ewes.
If you feel okay about shooting some, then do so. If you don't feel okay about it, then don't do it; your neighbour will be able to find someone else and won't think less of you if you say you just don't want to shoot living creatures yourself. S/he
will think less of you if you try to do it, but don't feel good about it, so don't actually kill as many as you should.