Not unless she's been undergoing training I haven't heard of.

[Grell chuckles, pushing up her glasses as the cat seems to be evaluating Hiro.]

I didn't build this place alone. But I did train them, and I did design it so that the dryads would remain unharmed should they live in the trees selected. And it's a bit of an open secret that it exists at all - rumour to most, fact to some.

[something about Hiro seems to meet the cat's approval, so she walks over to him, sniffing the offered hand, and looking back up. he has passed whatever invisible test this was.]