These Are The Most Massive Animals On Earth

Mastering the Mastiff 

This dog is big in more ways than one. In some cases, Tibetan Mastiffs can weigh over 280 pounds. One of this breed was sold for $1.5 million in 2011. Big bucks for the big dog!

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The More You Know

  • Killer whales are not whales at all, rather a species of dolphin.
  • Cats have 26 baby teeth and 30 permanent teeth.
  • The tusk of a narwhal is actually an “inside out” tooth.
  • Frogs don’t drink water. They absorb water through their skin.
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