This prehistoric quadruped discovered on the coast of Peru was similar to a modern-day otter or beaver — except it was 13 ...
Killer whales are the only natural predator of baleen whales—those that have "baleen" in their mouths to sieve their plankton ...
Moment some friendly gray whales approach a boat of a small group on an expedition in the lagoons of Baja California. The whales moves around the boat and letting themselves be touched by the tourists ...