Whistle Pig woodchuck or groundhog paste bait. This is a blend of no less than four irresistible essential oils, plants, and vegetable juices compounded to really make the groundhogs mouth water. At a time when food is plentiful you have to offer them something they can’t resist………..that is “Whistle Pig”. Smear some Whistle Pig on a large leafy vegetable, like cabbage and place in rear of trap. Watch the results !!