The Rain Forest is a biome that appears in ExtrabiomesXL. It is a mountainous, warm, humid forest.
Ground Cover: Grass
Trees: Oak
Plants: Grass, Fern, Dandelion, Rose
Fauna: Sheep
Temperature: Normal
Humidity: Damp
ExtrabiomesXL list of other biomes- https://github.com/ExtrabiomesXL/ExtrabiomesXL/wiki/List-of-Biomes