"I guess I don't know," he answers, lamely. "I'm kinda fond of foxes? But birds are really cool." He looks sheepish as he can't even come up with an answer to what his favorite animal is.

"Oh. Uh. Pandas?" Nope. That doesn't sound right either. "I'll get back to you. Maybe I'll figure it out by the time we get to the lions."

A pause. "Capybaras? They've even got 'cap' in them." Yeah, not a great reason.