How blue whales took to the ocean
It is difficult to see any resemblance between a blue whale and a camel, yet the giants of our oceans descend from the same mammalian order as camels, antelopes and moose.
In the beginning, the originators of the whale line were cat-sized mammals in what is now India and Pakistan. had a long snout, a long tail and hooves like a deer. But it had unusually dense bones, typical of species that wade in water, but do not swim; it has been
