Moving beyond eggs-in/eggs-out
That chaurus are ovipositors is beyond question at this point. They are dumping eggs (and maybe other things) into the breeder, and then their part is (mostly) done.
The chaurus may decide to protect the breeder, or may not care. There is an open question of whether a living breeder is useful after the fact. It is possible that the chaurus simply kills the breeder after impregnation. Every egg pile we see in the game may have originally
The next chapter in the quest to make some chaurus make sense somewhat will be with their dialogue and sounds.
Bethesda gave the following sounds for chaurus (all can be found in the Sounds BSA under (Sound\FX\NPC\charus):
Breathing (which just sounds like minor chitters, and I don't think it sounds like breathing of any kind. Maybe it is some internal process, but not likely breathing.
Taunt (a series of swooshes and click-clacks)
Warning Call 01 (as Taunt but w
General outline to get started (to be heavily edited as time goes on).
Mod is launched
Ecology of the Chaurus
Chaurus are not natives of Nirn?
How much of the chaurus existence that we see is shaped by the Falmer, and how much is natural to them? Is there any natural behavior remaining, or is it all Falmer-centric now?
The only place in vanilla Skyrim where chaurus can be encountered without Falmer nearby is in the swamps north of Morthal. Ar