Assertion: giant nuthatch | /r/CapableOf | provide hollow
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text: Because it tends to require large trees to provide the hollows required for nesting, it is very sensitive to the removal of large trees, and BirdLife International in its 2013 review uplisted the species to Endangered because it is now believed that the actual population, previously estimated at around 10,000, stands actually as low as 2,500 and continuously declining.