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Jacobs Stock Photography Ltd / Getty Images Dinosaur Puke Reveals New Flying Reptile Species
A dinosaur basically puked a whole new species into the fossil record
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Joaquinraptor Casali -
Photo: pepifoto / Getty Images -
Juergen Ritterbach/Getty Images -
(Photo via Zoological Journal of the Linnean Society; Gabriel Ugueto) -
Not the footprints in question. (Photo by billyfoto / Getty Images) 2 Pre-Human Species Coexisted 1.5 Million Years Ago, Footprints Suggest
Two species—identified as Homo erectus and Paranthropus boisei—might have interacted with each other.
