User blog comment:Lord Loss/Monster Hunter Theory... Blog/@comment-74.177.238.240-20121122203414/@comment-4212769-20121122204622

It's impossible for them to pick leftovers out of the mouth or pick parasites effectively from the body of a monster as they lack of a precise tool to do so (a sharp beak). So that most likely not.

Also the poison and the sharp fangs seem more suited for active hunting than rest exploiting as they just can spit their venom on monsters and bite it to inject poison to kill it.