Other birds have provided direct competition for resources with the honeycreepers as well as brought disease (such as avian malaria). However removing the introduced birds is difficult due to their inaccessibility to humans and high dispersal ability.
Other bird species have offered direct competition for resources alongside the honeycreepers, as well as introduced diseases such as avian malaria. Nevertheless, eliminating these introduced birds is challenging due to their elusiveness to humans and high dispersal capacity.