The bat will take care of the moa and feed it fruit. Thus this the moa grows to the bat size, but since she is diurnal the bat has decided that she needs to leave the cave for a while. The outside is more dangerous than the cave, but the moa for the first time leaves cave to protect the bat. When the moa starts eating some leaves, an adzebill suddenly discover it and tried to eat it. The bat is near by the moa had to eat and digested the adzebill to save the moa. The bat has not only become chubby, but also bigger. The moa then rubs bat's belly and then the bat carries the moa back to the cave.

Comic can be read here: https://sta.sh/0q041zgraj6

A request for ArtisticHokioi