Bat guano in caves is a vital food source for many organisms. These guano deposits support entire communities in different stages of growth. This makes guano communities great for studying ecology because they have diverse conditions and interactions among their components. The main food web in guano communities starts with detritivorous organisms that eat guano directly, like mites and other invertebrates. These detritivores are then eaten by predators like pseudoscorpions and spiders. Guano communities mainly rely on the guano environment itself rather than the overall cave environment.