I remember when I started on a piece of virgin land, I just got laid up 30ish yards from the warrens, looking towards them.
Could cover a fair few at a time. Funny the first day, dozens out, sat around munching the grass in little groups of three or more!
Aim, breath, chlick phut Crack, over one went, other two just looked as if to say "Taking a nap there Fred?" again second one laid down others looked "You an all mertyle?"
Had 7 before they got the message that something wasn't quite right with all the sleepy ones
Set yourself up nice and comfortable and hit em sniper style til they g