Finally, after much feeding, the baby has grown into a full Dino! Dinos can eat almost anything, including things with spikes. In order to do so, they must have very tough stomachs. Green Dinos are the only type of Dino that is able to walk on two legs. This frees up their front two legs, which they use to catch and eat fish.

The Birthday Dinos arrived as eggs in Lagie's caves after Lagie made a special trip on her birthday to the local marketplace. The plan was to bring some cheer to the caves during that time worldwide when all the humans in all the caves had to spend a protracted amount of time at home alone in order to prevent the spread of a highly infectious virus. Well, things didn't quite go as planned. The eggs hatched together. The hatchlings grew up together... and the adult dinos stayed together, sharing an oversized cave off the beaten path where they wouldn't be bothered by too many people or dragons.

Parasaurolophus is the hunter-gatherer of the group, setting out each morning trying to find tasty treats that all will enjoy. In spite of them all being vegetarians, she did bring meat to the cave on a couple of occasions and Triceratops managed to make an aromatic meal from it, but the smell brought in passersby, and all five dinos decided they really wanted to remain vegetarians after all.