human impact a lot capybara Bay tried to kill some of them. Herbivorous Diet As strict herbivores, capybaras mostly consume grasses and aquatic plants for sustenance. Coprophagy Coprophagy is the habit of capybaras whereby they eat their excrement. Feeding Behavior Being crepuscular feeders, capybaras are most active at dawn and twilight. this is all about human impact on Capybara.