So Professor Xivir Thoriston von Eucalyptus, MD was out in a jungle region of a planet looking for more beasts to study. He'd spent the day finding nothing but when he woke up the next morning, there was a strange small winged reptile!
The Professor is an expert in xenozoology and spends a lot of his time deep in the wilderness of alien planets, seeking new animals to study and learn about, sometimes bringing a pair back for more in-depth study.