Those folks are equal-opportunity carnivores, they're perfectly happy to eat rabbits (Or hares, actually) too. The Arctic hare isn't dumb enough to run around in flocks, of course...
Speaking of NatGeo, they've had a show on called 'Mygrations' about a bunch of high-strung drama queens running around pretending to be Wildebeests. Most of them need to be slapped senseless.