> Smith said that she’s also curious how this research would translate to non-domesticated cats like big, wild cats. “We don’t know whether wild cats are susceptible to that illusion, because they may not encounter corners and walls the same way,” Smith said.

Given that big cats behave with (proportionally larger) boxes much the same way as domestic cats:

https://youtube.com/watch?v=J11uu8L8FTY

I am going to hypothesize that it would translate quite well.