[ Cassian appreciates that the hawk moves closer so that he's not squinting into the trees or putting a crick in his neck looking up; to that end he gives a little nod of thanks, but also to acknowledge that the hawk has eaten a shrew. It is what it is. Who is Cassian to judge what people eat? ]

I know that you're probably like Marco and Aximili in that you are able to change shape, so you aren't limited to always being a hawk, if you choose to be something else. I know the process is neither uncomplicated nor comfortable.

Also Aximili has communicated with me in this way before, so that's not entirely unfamiliar either.

[ Which are all things he learned by watching, not by being told anything else. ]

Beyond that? Very little.