The ooccoo would stand less of a chance if they were found than the deku. I agree that it would all come down to the hylians and the gorons. Of course all you had to do was get the gorons used to the more delicious rocks and then cut off their supply from the mines and attack when they are weak...
Maybe since Majora is so childish it might be his from when he went there to mess everything up. If it was from an ikana child that lived a thousand years ago it would have decomposed or a gust of wind would have moved it. And it wouldn't have kept its shape for that long either.
I think he knew what was going to happen so he only gave you three days cause thats when the moon was gonna destroy the town and he knew that he'd have to get the flock out of there if you didnt get the mask in time. But if he did stay then I think he would have died too.
You make a very good point. I don't think the masks contain the souls of the ones they were made from either. The masks are basically images of what the original souls were. Same goes for the ellegy of emptiness statues, they are just empty shells showing a combination of what you look like and...
Obviously its the Sheikah. They're the protectors of the royal family, they are like ninjas but cooler, and they are awesome looking. Second would be the zora.
That would be cool to ride a pegasus. Then at the end of the game your pegasus has a baby with a regular horse and you name it Epona then its decindants are the horses that other Links use in the other games.