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Bat populations worldwide face mounting pressure from habitat loss, pesticide use and a fungal disease known as white-nose syndrome, which has —decimateddecimatingdecimatedecimation entire colonies in North America. Because bats pollinate plants and devour vast numbers of insects, their decline can —severelysevereseverityseverer disrupt agriculture. Conservationists now install specially designed boxes to —replacereplacingreplacedreplacement roosting sites destroyed by logging, while researchers monitor colonies to track —populationpopulouspopulatepopulated recovery.