These Predators Had a Face like an Axe and Will Haunt Your Nightmares
Science Quickly
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Introduction
Ferrico Javier de Graj is an avian paleontologist in Argentina. He has a special relationship with terror birds. Terror birds flew onto the scene around 45 million years ago. They are almost all from Argentina, but there are some localities in Uruguay and Brazil and Texas and Florida in the States.
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