the watery bird will fart on the tall tree and stink the entire place for miles. then hop on it so it burps into the air. then ask it to trade your beans for the aquatic amulet. make the bird eat the beans so it makes a really big fart all over. use the birds farting to get to flowing lava cove. repeat with firey bird. then use both farts to get to shifting sands, flying farts. talk to sandey bird and repeat the process.go to slymey's swampe. talk to slymey and once again repeat. go to the gassy birdkeeper's house and return the 4 birds. combine the 4 amulets to get the medal for the island.