Cetaceans, such as dolphins and whales, have complex societies with behaviors that closely resemble human and primate relationships, new research suggests. In a first study of its kind, scientists have created a comprehensive database of brain sizes and behaviors in 90 species of dolphins, whales and porpoises. They found evidence of such complex social behaviors […]
Tag: cetaceans
What allows killer whales to see in underwater darkness? 
While humans aren’t great at night vision, most of us can make out various objects in dim light thanks to a special light-sensitive protein rhodopsin. This chemical plays a much bigger role in the visual systems of ocean dwellers like whales, who travel through places where little light penetrates the depths of the water. A new study […]
