The Surprising Sleep of Sperm Whales: Vertical Naps in the Ocean Deep
If you think it's tough to sleep on land, try sleeping in the sea.
Tag: Cetaceans
Scientists around the world call on governments to protect cetaceans or risk seeing them go extinct
Countries need to take urgent action to protect species from human activities
Big-brained cetaceans have “marine-based cultures” similar to those of humans, study reveals
They only need thumbs to rule the oceans!
