According to local customs

The sternum is the breastbone - the flat bone in the center of your chest that connects to your ribs via cartilage and forms the front of your rib cage

With teeth like this

causing catastrophic collapses of the world's food chains

Ontario (Canada)

Eastern Timber Wolf Skull animals According to local customsThese are real Eastern Timber Wolf (Canis lycaon) skulls! These wolves are indigenous to the north eastern area of the Great Lakes Region and feed primarily on white tailed deer. These ~9" long skulls cannot be shipped outside of Canada. *It appears the previous owner has coated these skulls Inn some sort of white varnish. We have discounted the skulls accordingly*