Well, the chick grew up into a chicken, but you’re still not sure how the egg got into that cave...

Henrietta started out life as an average chick, content to peck at seeds and bits of leftover dragon meats until one day, when one of the clumsy young hatchlings accidentally kicked into a sprawling heap off the edge of the embankment where they played. Out cold for almost a day, the other dragons were deeply concerned, taking shifts at her side until at last she awoke. Amazingly, she seemed perfectly normal, except that she insisted that she had had an epiphany during her coma, which she passed telepathically into her friends' minds: she was from space, dropped in the cave as a tiny egg! While most of the others laughed off her outlandish idea, she managed to convince a few of the truth: she was a space chicken, and her true family was out there somewhere. Now every night, she watches the sky, waiting for that great eggship to come and take her home...