Carcasses are the best clues we have for these mysterious whales

In the dark waters of the benthic zone, the deepest layer of the ocean mostly populated by invertebres like sea urchins, worms, and crabs, mysterious whales hold their breath. Beaked whales as a group of species have long been elusive to humans, but new research is shedding light on the habits of these creatures, with the discovery of two new subpopulations in the Atlantic.