The big flower will reveal the squee's purpose, if you can find it.
Have you been halfway up the ladder?
By the volcano, take the path towards the path to the floating hut. Don't go on that path; keep going straight. Go up the ladder, but not all the way. About halfway up, there is a ledge with a big flower on it. Climb in the flower. Hear anything? If not, turn the game volume or your speakers up.
Yes, I can hear things like the wind and a creaking bridge. What does this mean?