Shark biologist John Chisholm shared photos of multiple sharks seen on Monday, including one feeding off a dead humpback. “Several white sharks sighted today off MA including one enormous individual feeding on a dead humpback whale,” he wrote on Facebook. “The two others seem tiny in comparison. One of the smaller ones is towing a recently deployed tag.” The shark feeding off the whale is estimated to be larger than 17 feet, the Facebook post stated. Videos of the whale were also shared on Captain John Boats’ Facebook page, which is a tour company. “We started off with a couple...