The Incubator is located almost at the center. The Frog can be found after reaching a Flutterpedia Score of 400. With a treats and delicacies spot next left to it, the Kingfisher is unlocked after reaching a Flutterpedia Score of 650 and sits above the incubator. Underneath the incubator the Snail's spot is located. The Wisp Mother's spot is located right to the incubator, but only during Wisp Events.
On some occasions the forest get a specific themed decoration!