> Then they put them together - "together", "create". And they did it, they came up with a new trick and they did the exact same trick together.

> That absolutely requires language akin to humans.

I want to believe they describe the trick like skaters describe theirs: "When I give you the signal, let's do a a 360 Ollie underflip flamingo powerslide. If we do it in sync, the walkers will give us treats".