In the Beginning, God created the heavens and the Earth. And we all know the story from there.
In the Period of Cretaceous, God grew distasteful of the Dinosaurs' wicked ways. (Actually, after a few billion years He was royally Bored and wanted to screw with the most intelligent life-forms available at the time.) So he descended unto a Virgin Raptor and made her lay a single egg.
This was long before anyone ever figured out the connection between mating and babies, so no one really gave a damn.
God commanded the virgin raptor to name her son Jesus. And so she did.
Jesus hatched, and his hatching was marked by a volcano erupting and wiping out the nests of nearly all other raptors. When He realized this, he promptly ran away and wandered in the desert, living a raptory life for 18 years, until he turned 32.
Raptor Jesus returned, gathering Thirteen followers of all species, and they wandered around doing stuff, fighting evil, and saving Prostisaurs. (That's their story and their stickin