OK, above somewhere is a post with a screenshot of 3 birds ... the one on the left is mine, and it's honey yellow ... this tells us TWO things:
1) Only one food is affecting the bird (Mine was only fed pineapples)
2) Feeding them beyond the "starts to grow new feathers" announcement either has absolutely NO effect, or is capped at some point ( I fed mine 10 pineapples). we will know in a few hours as one of our guys has fed the pineapples and stopped at the first "new feathers" announcement.
The "above somewhere" bit is here: http://forum.square-enix.com/ffxiv/t...here%21/page26
The question then remains, did you feed pineapples first or last (actually a moot question, the pineapples were the only thing that affected your bird)