Why Do Sea Otters Hold Hands? The Real Reason
Sea otters sometimes hold hands, or more accurately paws, while resting on the ocean surface to help prevent themselves from drifting apart. However, this behavior is much less common in the wild than popular photographs and videos suggest. Sea otters often rest together in floating groups called ra...
What Are Marine Mammals?
Marine mammals are a remarkably diverse group, including around 120 recognized species. Scientists believe they evolved from land-dwelling mammals about 66 million years ago, which gradually returned to the sea. Over millions of years, these animals developed a wide range of unique physiological and...