Here is the full list of all 10 Chook Sosig: Walk the Plank achievements.
You got the previously haunted treasure
You showed everyone the parrot, even if they didn't want to see him.
You upvoted Hebble's photo
Became the new sea deity
Listened to all tracks on the radio.
You spotted the kakapo!
You found all the hidden images
Set all burnables on fire
You almost wiped an entire island off the map.
You met Clive the fish.