The mom tries to kill the dog to provide meat for the family, but she hesitates before her son intervenes. The dog runs away. At the end of the movie, the dog is seen running away a helicopter that's carrying the two boys.
The dog runs away after the mother attempts to kill it. The dog is not recovered by the kids, by the end of the movie the dog is abandoned and left to run down a very secluded road alone
A squirrel is shot with a slingshot, you hear the child killing it. You also see the squirrel being skinned in a later shot, and then also being cooked in a pan. A frog is eaten alive. Bugs are cooked and eaten.
A character is taunted repeatedly that she will be forced to eat her children. In one scene there are squelching sounds, the shot is from behind, she appears to be eating presumably her children. Nothing is explicitly shown.