6 - Right side of the Way (when you are going to the Sentinel Beach).
15 - Inside of the Precursor Orb Container on the first Hill opposides the
house of the Birdlady. Load up on blue Eco from the secon hill and jump
over to the first one and the cover will lift off.
9 - On the Way to the Fire Canyon behind the Farmer's house.
3 - On the Way to the Oracle on the highest Hill next to the Scout Fly 2
3 - On the first Rockplateau on the way to the Oracel.
3 - On the second Rockplateau on the way to the Oracel.
6 - At the Waterfall before the forbidden Jungle.
5 - In front of the way through the mountain to the forbidden Jungle.
50 - Precursor Orbs overall