[[File:Island Field Office Interior.png|thumb|right|150px|A completed Island Field Office]]
[[File:Island Field Office Interior.png|thumb|right|150px|A completed Island Field Office]]
<ul>
<ul>
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<li>For completing the large animal fossils, the player is rewarded 6 [[Golden Walnut]]s and 1 [[Banana Sapling]].</li>
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<li>For completing the Large Animal collection, the player is rewarded with 6 [[Golden Walnut]]s and 1 [[Banana Sapling]].</li>
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<li>For completing the snake fossils, the player is rewarded 3 [[Golden Walnut]]s and 1 [[Mango Sapling]].</li>
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<li>For completing the Snake collection, the player is rewarded with 3 [[Golden Walnut]]s and 1 [[Mango Sapling]].</li>
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<li>For donating the frog fossil, the player is rewarded 1 [[Golden Walnut]].</li>
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<li>For donating the Mummified Frog, the player is rewarded with 1 [[Golden Walnut]].</li>
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<li>For donating the bat fossil, the player is rewarded 1 [[Golden Walnut]].</li>
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<li>For donating the Mummified Bat, the player is rewarded with 1 [[Golden Walnut]].</li>
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<li>For completing all four fossils and the island survey, the player is rewarded the recipe of {{name|Ostrich Incubator|size=24|class=inline}}.</li>
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<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>
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<li>For completing each Island Survey, the player is rewarded with 1 [[Golden Walnut]].</li>