Daemon or monster
I don’t know if this was a daemon or a monster 🙁 
- elongated neck
- flies (large winged)
- up in trees, swoop down on its victims (humans)
- bite/ eating their neck
one was among the humans in human form laughing and taunting one of the daemons/monsters, so when the daemon/monster bit him, he revealed himself, his neck slowly erecting slimy, thick, and long rubbery-like.
the daemons/monsters’ teeth do not have much effect on one of their own. he laughed and …