Pamela Yeh

I think that's such an important takeaway.

Yes, exactly.

Those are strong selection pressures in terms of having a really big effect on the environment.

And so we really should try to understand how are we affecting populations, how are we affecting biodiversity of the whole ecosystem.

Exactly.

How are they behaving and how do they look and what's their morphology in the wild?

And how can we compare that to what they're doing in the cities?