The US has invoked national security to remove protections for the endangered cetacean, of which only about 50 are left The US has invoked national security to remove protections for the endangered cetacean, of which only about 50 are left S ince before modern humans existed Rice’s whales have been diving to the depths of the ocean to gorge on fat-rich fish while growing to leviathan proportions, their bodies spanning the length of a bus and weighing as much as as six elephants. Unfortunately