I could string them together to hang somewhere, it isn't too terribly hard to put small holes into them when careful of not breaking bone.

My, I could try my hand at necklaces- simple ones, of course. Dress them up a little with bone engraving if you'd like something added.

[Placing the skulls down, looking them over thoughtfully.]

If the rest of their bones are there and accounted for.. I could possibly make a lovely articulation with the pair, adding in some things we find within the nest.