Search Results | oligocene
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Scary Prehistoric 'Hell Pigs' Once Roamed the Earth
animals.howstuffworks.com/extinct-animals/prehistoric-hell-pigs-once-roamed-earth.htm
These super-frightening entelodonts (aka hell pigs) once patrolled throughout Eurasia, North America and Africa.
What's the Largest Land Animal That Ever Existed on Earth?
animals.howstuffworks.com/animal-facts/largest-land-animal-all-time.htm
Just how big do animals come? Dive backward through time and the fossil record in search of the most colossal member of kingdom Animalia.
7 Scary Extinct Animals That Were Absolute Terrors
animals.howstuffworks.com/extinct-animals/10-terrifying-extinct-cetaceans.htm
If you thought sea monsters were just the stuff of myth, you thought wrong. With giant, razor-sharp teeth, ancient cetaceans - the ancestors to modern whales, dolphins and porpoises - make even nightmares seem dull.
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