"Holes in the skull bones indicate that herders ... and perhaps also by straightening the horns of impressively large sheep," says archaeozoologist Wim Van Neer. "Maybe they wanted the sheep ...

The modified sheep were found in elite tombs ... Phys.org reports that analysis of the skulls and horn core remains revealed ...

The animal's thick, bony skull usually prevents serious injury. A bighorn ram's horns can weigh 30 pounds ... rugged mountain terrain. Wild sheep live in social groups, but rams and ewes typically ...

Some scientists have postulated that Pachycephalosaurus's padded skull allowed these animals to engage in head-butting battles of dominance perhaps related to mating, much like bighorn sheep and ...