TIL that Kelenken, a 3-meter-tall terror bird that roamed South America 15 million years ago, had a skull longer than a human torso and killed by smashing prey with brutal, hatchet-like downward blows.

TIL that Kelenken, a 3-meter-tall terror bird that roamed South America 15 million years ago, had a skull longer than a human torso and killed by smashing prey with brutal, hatchet-like downward blows.

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