Nest Hat

Head to Umbala's Tree Dungeon. In the NE area on F2, Passage to a Foreign World (um_dun02), you will find Ann hidden amongst some trees.

She will tell you about bird nests and request for the following items: After you return with all the items, you will receive either Bird Nest or Nest Hat (50% chance to receive either headgear)
 * 200 Feather
 * 200 Feather of Birds
 * 50 Cobweb
 * 50 Dead Branch
 * 300 Stem
 * 200 Fabric
 * 100 Blue Hair
 * 100 Golden Hair
 * 1 Fatty Chubby Earthworm