"Oh, just let me find one mouse! I bet they taste like bananas." The Doctor's trying to fight off the owl's urge to eat on something living and the zoo likely has plenty of mice for him to nom on.

The Doctor managed flight if not a bit ungraceful flight and he flies after the little sheep. "Now let me guess." The Owl lands or crashes into the branches of a tree. "Cheetah, cheetah oh cheetah. Captain Jack?" He lowers his head down with those big yellow eyes to take in the cheetah on the ground but even now he can tell this isn't Jack.

Its someone else and he ruffles his feathers up. "That's not a virus you have there is it?"