Gray Whale Facts
"There are a
few interesting gray whale facts..."
* Gray whales are a single species of whales.
* They have a gray body and white dots, which are either skin pigments or barnacles.
* Gray whales are only found in the Northern Hemisphere, and only in the Pacific Ocean.
* There used to be gray whales in the northern Atlantic Ocean too, but these got extinct during the whaling days.
* Gray Whales have the longest migration routes in all mammals.
* They migrate so fast that it would take a strong swimmer 30 weeks to swim the distance that gray whales swim in less than six weeks.
* Their swimming speed is about 8km/h, but may reach about 13km/h.
* While most other baleen whales eat while swimming, gray whales often feed in the sea bottom, where they filter muddy seabed for shellfish and leave behind deep grooves like ploughed fields.
* Maybe for that reason, gray whales are the whales with least amount of baleen.
* They only have 130 baleens on each side of the jaw.
* They are also found closer to the shore than other large Cetaceas, and they are not found across the whole northern Pacific, but only in coastal waters.
* They like to play in shallow water, breaching out of the water and then falling back with a big splash.
* They also have a known habit to spyhop - lift their head vertically out of the water and then have a look around.
* They make many different sounds like clicks, whistles, rumbles, groans and grunts.
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