In a 1917 letter to Winston Churchill, Admiral John Fisher used the phrase "O.M.G."
The lives and livelihoods of these birds revolve around slamming their heads into things.
Let's take a closer look at Dilophosaurus, an off-kilter dino that 'Jurassic Park' turned into a Mesozoic celebrity.
Here are 15 references to the original stories that you might have missed.
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