Afaik beaks are more like nails, hoofs and antlers in composition.

So the ultimate counter to skeletons are octopuses.

Belgorod.

Same, but only while I am searching for something hidden.

Yep. Happened twice to me so far. The first time I completed the hijack in space. The second time the (pirate) ship was attacked in orbit by security forces, and destroyed before I had time to eliminate the crew.