Collect all 20 Golden Feathers and 2 Silver Feathers for this one to pop. To get this achievement you need the following:
- Complete the Feather Finder Achievement (collect 10 Feathers)
- Collect 15 of the 20 shells scattered around the map
- Get a rally of 10 hits in Beachstickball
- Complete the Not a Scratch Achievement (the boat race challenge in under 45 seconds)
- Gather in at least 980 coins
This video covers all of the above and will set you up for completing the rest of the game easily, having all the feathers makes everything else easier.
Feathers Forever Achievement - right from start of videoPart 1 - Feather Finder, Remember This Day Forever, Not a Scratch Achievement & Feathers Forever Achievement - Doing this first will make the rest of the achievements easier: