Lost Island will be a new map (DLC) from Wildcard, which will be available at the end of the year. The map will be available for free like The Center, Ragnarok, Valguero or Crystal Isles, and unlike the other maps, it will present three new animals. These are the Amargasaurus, the
Dinopithecus and the Sinomacrops. The creator of the map is https://twitter.com/alexand90575037
Update: Release date of the new map "Lost Island" by Wildcard announced to 12/14/2021!