the female Malabar pied hornbill breaks up the nest after it molts                    

the hole in the tree is so warm it causes the female Malabar pied hornbill to lose its plumage                           

the Malabar pied hornbill´s nest is lined with feathers                              

the female Malabar pied hornbill plucks off its feathers in order to cover the crack in the nest