Bird and a cat. Definitely can't eat people's pets, no. Maybe the worms are edible? Not very appetising though. But if they figure out what plants are edible, he can deal with a vegetarian diet.

"Yes, yes I do," he answers, in a way that implies he will be very unhappy to go without food. "You don't need to eat?" he asks, immediately curious. It's not like he's never encountered that but it's pretty rare. And the ones that come immediately to mind were androids.