Quote Originally Posted by Eruantien View Post
there will be no more talk of Krunchy Fried Chocobo here thank you.

And as to the original question I assume only mounts initially but by the sound of it, more content will be released later for different things as stated in a dev post
Indeed i do believe they said they are just implemented them as mounts at the start in another thread, as well as laying out some additional information about other proposed features regarding chocobos in the future, also asking for our ideas and suggestions, i'll have a look for the thread.