Isle Royale wolves becoming less fearful (AP)

For campers at Isle Royale National Park, sighting a gray wolf is a rare and thrilling experience. At least, it has been. But some wolves have gotten a bit too familiar this summer, wandering into camping areas and showing little of their customary fear of people. No attacks or threatening behavior have been reported. But the close encounters prompted warnings to visitors not to feed the wolves. "Wolves are wild animals and potentially dangerous like any wild animals," said Michigan Tech University ...