7. Ecological Impact and Role
As ecosystem engineers, capybaras are quite important for the structure and operation of their surroundings. Their grazing patterns prevent any one plant species from taking over, therefore preserving grassland diversity. Their droppings are a major source of nutrients for terrestrial and aquatic environments, and their migratory patterns follow paths over plants that other animals consume. Many plant species rely on them also for seed distribution, which helps to regenerate forests and preserve biodiversity. From little birds that eat insects drawn to their bodies to predators depending on them, their presence supports many other species. They can greatly affect crop yields in agricultural environments, which presents possibilities as well as problems for human-wildlife cooperation. Their grazing habits help restrict the spread of woody vegetation and preserve open water regions favourable to other species, therefore helping to sustain wetland ecosystems.
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