Why giraffes sometimes eat bones

Being a towering vegetarian is apparently a calcium-depleting nightmare. Because their diet of acacia leaves is severely lacking in crucial minerals, giraffes occasionally engage in osteophagy—the gnawing and eating of animal bones. Seeing a majestic, long-necked herbivore casually chomping on the ribcage of a dead antelope is a stark reminder that nature is fundamentally terrifying and metal.