Portal:Cetaceans/Did you know/12

Pakicetus was a prehistoric cetacean.

...cetaceans have evolved from land mammals. Evidence of this is seen in the vestigial hip bones, as well in the pentadactyl ("five-fingered") dorsal flippers/fins.
...Herman Melville included an objective study of the properties of whales in Moby-Dick.
...a male dolphin named Cinderella was unofficially married to a human woman.
...sound made by whales can be extremely loud, with 163 decibels recorded.
...about 2000 whales may be beached each year.