There are fewer than 366 surviving specimens, according to a new assessment. Vessel strikes and entanglements in fishing nets remain the biggest threat to the massive marine mammals, but climate change is leading to rising ocean temperatures that endanger the krill the whales eat to survive. The saddening trend can still be reversed, experts say, with focused efforts to protect the whales' safety and increase their reproduction. Scroll down for video There are fewer than 366 remaining North Atlantic right whales on Earth, according to a new assessment aggregating monitoring data from tagging studies, aerial and vessel photography, animal sampling and other sources