Second, we are looking at the whalers' log books and recording where they went on a given voyage and how many whales of different species they took. We use the log books of a sample of voyages ...

Many different species of whales are facing extinction. In particular, the number of blue and hump-backed whales is falling sharply. That's why the International Whaling Commission announced a ban ...

Delphinidae is the family that includes all oceanic dolphin species. Orcas, also known as killer whales, are the largest dolphins and some of the world’s most powerful predators. All dolphins are ...