One city was built around a human-made scrap of metal whereas the other lingered in the natural setting of a rocky outcrop ...

No list with the smartest animal in the ocean would be complete without the dolphin. This marine mammal has captivated people for decades, with its high learning ability. It can pass its knowledge ...

Stellers are the largest of all sea lions and they have an appetite to match. These giant pinnipeds hunt fish, squid, octopus and, rarely, smaller seals. They are found off northern Pacific coasts ...