As magic isn't hidden in Kale's world and his cousin is best friends with one, he had no reason not to have pictures on his phone. The one of the uncle was taken by Ceilidh who enjoys "borrowing" people's phones to take pictures. (She's not allowed to have one yet).

"Yeah," Kale said. "You wouldn't be out of place in their lands. So, if you're not a goblin, may I ask what are you?"