Nature Preserve
| Name | Nature Preserve |
| Region |  Spooky Swamp
|
The Nature Preserve is a building located in Spooky Swamp, near the Nature Preserve 
fast-travel point. The Nature Preserve is an designated building that contains five different ecosystems to home the biodiversity of Critters found on Friendship Island; including the Seaside, Bog, Reef, Gemstone, and Volcano rooms.
Related Quests
In order to unlock all of the environments, the player must have completed the "Open the Nature Preserve" and "Restore the Nature Preserve" quests. During the "Open the Nature Preserve" quest, the player will find the 
Bog Critter List, which will unlock the Bog room. During the "Restore the Nature Preserve" quest, the player will find the 
Seaside, 
Reef, 
Gemstone, and 
Volcano Critter Lists, which unlock the Seaside, Reef, Gemstone, and Volcano rooms.
Functionality
Players can donate their Critters to the 
Nul inside of the building. Player can donate a total of (unknown number) critters to the Nature Preserve.
List of Critters (by room)
Bog
Critters caught in 
Spooky Swamp can be donated to the Nul and will appear in the Bog room within the Nature Preserve.
| Name | Bush Friend | Grassy Glowbuddy | Orchid Glowbuddy | Lily Frog | Phantom Flutterby | Pumpkin Spiceler | Swampy Snapper |
| Image | 
|
|
|
|
|
|
|
Seaside
Critters caught in 
Seaside Resort can be donated to the Nul and will appear in the Seaside room within the Nature Preserve.
| Name | Blue Berryfly | Castle Crab | Dragondarter | Dunebug | Honey Bandit | Scruffy Shortleg | Sunslime |
| Image | 
|
|
|
|
|
|
|
Reef
Critters caught in 
Rainbow Reef can be donated to the Nul and will appear in the Reef room within the Nature Preserve.
| Name | Barnabeetle | Crustocean | Dreamshell Drifter | Inky Ballooper | Rainbow Ribbiter | Sapphire Seapony | Slugnautica | Wollypog |
| Image | 
|
|
|
|
|
|
|
|
Gemstone
Critters caught in 
Gemstone Mountain can be donated to the Nul and will appear in the Gemstone room within the Nature Preserve.
| Name | Acactnid | Frondhawk | Rockadoodler | Rosy Duster | Scarlet Scuttler | Stony Slugler | Sunset Scooter | Tumblebug | Twinklebug | Woolox | Soaking Slugler |
| Image | 
|
|
|
|
|
|
|
|
|
|
|
Volcano
Critters caught in 
Mount Hothead can be donated to the Nul and will appear in the Volcano room within the Nature Preserve.
| Name | Eruptoad | Fumefly | Geyser Grub | Grubble | Lady Bean | Magmiter | Stampeedle | Tigersnoot |
| Image | 
|
|
|
|
|
|
|
|