They have dinosaur traits but have lizard-like wings, which cannot initially help it fly. But living near volcanoes and eating minerals that contain a lot of methane. This makes the wings and body lighter, thereby making it easier to fly like a bird now. People also explain why they can spit fire, as we know it today.
This is because they spray excess methane at great pressure, chemically reacting with oxygen in the air, causing them to explode and create flames.
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