[Swann should never be let out by himself, really. It's a miracle he hasn't gotten himself killed over the last few months. Perhaps he's more intelligent than he looks, but at this moment, he's not thinking clearly.

[For he has seen wee animals. For adoption.

[He has to wonder, has the TARDIS ever had a pet? He had several dogs back in his time, but they were the entire carnival's pets and not really his own. They liked him well enough, though. But these! Squirrels and wee sparrows and foxes and--oh! A snake! The very fellow, a wee milksnake with stripes. When he picks it up, it curls around his wrist.]

Och, there ye go, all tail, you are. You're beautiful, aye. Would ye like to meet a friend of mine? Better than hanging about here, I think.

[It gives him a snakey tongue-flick and starts to slither up his shirt sleeve.]