<li>For donating the Mummified Frog, the player is rewarded with 1 [[Golden Walnut]].</li>
<li>For donating the Mummified Frog, the player is rewarded with 1 [[Golden Walnut]].</li>
<li>For donating the Mummified Bat, the player is rewarded with 1 [[Golden Walnut]].</li>
<li>For donating the Mummified Bat, the player is rewarded with 1 [[Golden Walnut]].</li>
−
<li>For completing all four fossils and the island survey, the player is rewarded with the {{name|Ostrich Incubator|size=24|class=inline}} recipe.</li>
<li>For completing each Island Survey, the player is rewarded with 1 [[Golden Walnut]].</li>
<li>For completing each Island Survey, the player is rewarded with 1 [[Golden Walnut]].</li>
+
<li>For completing all four fossils and the two island surveys, the player is rewarded with the {{name|Ostrich Incubator|size=24|class=inline}} recipe.</li>