All right, I finally stopped back into the Dragon Cave and picked up a few more eggs. I got a Spring egg, one that's sort of chocolate colored with blue triangles, and one that I suspect will be a "balloon" dragon. I also noticed that the Wilderness area now has a special section containing the "young," and their entries say the owners are accepting help, so I've "adopted" a light pink egg. Not sure what that will turn out to be.
I think Nate's egg is a "Sunrise" dragon, but I'm not sure. I saw a "Sunset" dragon in someone else's sig.