Minecraft wiki entry for Before_1.18, associated text: The bamboo jungle hills variant was similar to the bamboo jungle, though with steeper terrain just like the regular jungle hills variant. Large amounts of bamboo covered the landscape, and patches of podzol replaced most grass blocks. Naturally-generated trees were always large variants, and pandas spawned here, like in the bamboo jungle. Jungle pyramids also spawned here in Java Edition. In Java Edition, bamboo jungle hills used the same mob spawning chances as jungle hills for hostile and ambient categories, and had different chances for passive categories: