That's right! While the human skull is roomy enough for a big brain and large eyes, this Monoclonius skull shows a very different survival strategy.

Monoclonius relied on a long, sharp horn and a thick, bony plate to protect its head from hungry predators. It's tiny brain was the size of a quart jar.

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...both dinosaurs and humans have tailbonesódinosaurs just have tails attached to theirs! What do both humans and dinosaurs use their tailbones for?

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