🔽A diver captured rare footage of sleeping sperm whales. These mammals sleep in groups, hanging in the water column absolutely vertically. Their sleep lasts only a short time — up to 15 minutes at a time. Whale hunting is prohibited in Russia, with an exception made only for the indigenous people of Chukotka. Why does this ancient craft still survive? You will learn more from the movie 'I am Hunter' (2014). #animals FOLLOW 🥰 News&Docfilms Channel