Researchers have theorized that the scavenging behavior, which is not often captured on camera, has significant ecological impacts. Great white sharks are one of nature's fiercest predators. They're often seen in photos and videos breaching the water to grasp prey in their toothy jaws. Some great whites, however, prefer when their prey comes to them. In video taken off the coast of southern California, researchers observed a great white shark feeding off the carcass of a dead humpback whale. Keith Poe, an independent researcher and conservationist, found the carcass after he was alerted by authorities patrolling the beach. The dead...