Planet Zoo 2 features an expansive roster of over 130 distinct species spanning fully realized marine aquariums, aerial aviaries, walk-in exhibits, and traditional land habitats, giving players unprecedented biological diversity to design and manage authentic global wildlife conservation parks. According to verified reports from Game Rant, the comprehensive animal breakdown classifies every creature by enclosure category and geographical biome origins across Africa, Asia, Europe, and the Americas. Frontier Developments dramatically expands the classic simulation formula by integrating fully marine ecosystems alongside free-flight aviaries right at launch, fulfilling the community's longest-standing mechanical requests. Players planning complex modular exhibits must balance environmental enrichment, social groupings, and multispecies cohabitation bonuses to maximize park efficiency. Builders transitioning from casual animal mechanics—reminiscent of casual titles featured in our [Climb For Animals: Mutate Machine Walkthrough [Full Guide]](/news/climb-for-animals-mutate-machine-guide)—will find deep simulation architecture here. Exhibit specimens now interact dynamically with complex water filtration, foliage density, and guest sightline barriers, demanding precise spatial planning across campaign scenarios and sandbox modes. This extensive roster sets a new genre benchmark for zoological simulation fidelity.