"As far as I can tell, they're entirely mammallian. Or possibly therapsid- which is, a sort of early, reptile-like mammal," he explains, trying not to fall into his Tour Group Voice. Speaking to teenagers in that voice usually gets him heckled. Though, Billy is reminding him enough of the zoo visitors that he likes the most- the kids who come by to study or even draw the snakes and lizards for hours, happy to be left alone while they write their notes or doodle. When they ask questions, they're always the kind he has to think about the answers to.

"Behaviorally, they're purely canine. Excitable, loyal, extremely friendly and really affectionate."