Brain size
The size of the brain is a frequent topic of study within the fields of anatomy and evolution. Brain size is sometimes measured by weight and sometimes by volume (via MRI scans or by skull volume). N...
Brain size - Wikipedia
Primates With Big Brains Eat Fruit
Ask any biologist what makes primates special, and they’ll tell you the same thing: big brains. Alex DeCasien collected data about the diets and social lives...
Scientists: Dolphin Intelligence May Be Overrated
For decades, it's been common knowledge that dolphins are among the world's smartest species. Now some researchers -- and a new book -- argue the supposed underwater geniuses aren't so special after a...
Cetacean intelligence
Cetacean intelligence refers to the cognitive capabilities of the Cetacea order of mammals, which includes whales, porpoises, and dolphins.
Brain size was previously considered a major indicator o...
Scientists: Dolphin Intelligence May Be Overrated
For decades, it's been common knowledge that dolphins are among the world's smartest species. Now some researchers -- and a new book -- argue the supposed underwater geniuses aren't so special after a...
Tool use by animals
Tools are used by some animals to perform behaviours including the acquisition of food and water, grooming, defence, recreation or construction. Originally thought to be a skill only possessed by huma...
Tool use by animals - Wikipedia
Whale song
Whale sounds are used by whales for different kinds of communication.The mechanisms used to produce sound vary from one family of cetaceans to another. Marine mammals, such as whales, dolphins, and po...
Whale song - Wikipedia
Whale behavior
Whale (origin Old English hwæl from Proto-Germanic *hwalaz) is the common name for various marine mammals of the order Cetacea. The term whale sometimes refers to all cetaceans, but more often it excl...
Whale behavior - Wikipedia