American Big Horn Sheep (Ovis canadensis), circa 1920, head mount on oak shield, right horn...

American Big Horn Sheep (Ovis canadensis), circa 1920, head mount on oak shield, right horn 83cm, left horn 87cm (measured outer curve), tip to tip 44cm, from wall 43cm

The Bighorn Sheep is a species of sheep native to North America named for its large horns. These horns can weigh up to 30lb (14kg), while the sheep themselves weigh up to 300lb (140kg)