In this challenge, you will only have females. You may not have male sin the tribe unless they are infertile, if they are in the tribe, they are under the siren's cruse and must gather food and sacrifice themselves for the females. All nests must be around a tree or stump. Stumps are very important. You must call males from these stumps to breed. All of the entities on. You can choose the rest of the settings. Try and get as many ocean genes as possible. Have fun!