 <unk> in the canopy of trees and on trunks and branches and on the ground , the noisy miner mainly eats nectar , fruit and insects . Most time is spent <unk> the foliage of eucalypts , and it can meet most of its nutritional needs from manna , <unk> and <unk> gathered from the foliage . The noisy miner does not use a stereotyped courtship display , but copulation is a frenzied communal event . It breeds all year long , building a deep cup @-@ shaped nest and laying two to four eggs . Incubation is by the female only , although up to twenty male helpers take care of the nestlings and fledglings . Noisy miners have a range of strategies to increase their breeding success including multiple broods and group mobbing of predators . The noisy miner 's population increase has been correlated with the reduction of avian diversity in human @-@ affected landscapes . Its <unk> means that translocation is unlikely to be a solution to its overabundance , and culling has been proposed , although the noisy miner is currently a protected species across Australia . 
