Yes. Not guaranteed, but in the Galapagos Islands when cruising the western side of the archipelago this is a very common encounter our travelers enjoy while snorkeling, they usually spot penguins darting by.
Between the Equator and the South Pole. They have a preference for cold water currents that rich in nutrients.
To stay warm and survive the cold Antarctic winter with temperatures that go as low as -78.
No. They are a land bird. They march, slide and swim.