By the end of the Eocene, the earliest 4-legged whales experienced absent extinct, plus the descendants of the 1st thoroughly aquatic whales, which include Basilosaurus Odontocetes are often known as toothed whales; they have teeth and only one blowhole. They count on their own properly-formulated sonar to seek out their https://lutherj062fgf8.blognody.com/profile