two suggest

[Settiesama]

- Plural of Chocobo is already chocobos. I wouldn't mind if they gave it a distinction like how a group of grows is called a 'murder', but thus far they've used the plural form and just calling a group a 'flock' to fairly good affect.

In a few games, they have achievements that mention "flock" when referring to Chocobos, so I would see that as the actual term.