 Looking after the young is communal , with males of the coterie bringing food to the nestlings and removing <unk> sacs . Communal feeding increases after fledging , when males from nearby coteries may even bring food to the young birds if not driven off . <unk> is usually communal , with two to six adults and juveniles roosting in contact with each other , usually near the end of a hanging branch up to 20 metres ( 66 ft ) above ground , within their activity space . They select a new site each evening , often selecting and rejecting several sites , and engaging in aggressive calling and chasing as other birds attempt to join the group . They are often the last birds to roost at night , but appear to sleep soundly , undisturbed by <unk> . Noisy miners drink together at the edge of lakes and dams , and from cattle troughs , often <unk> on a submerged branch . They bathe by diving head first into water and , when almost totally submerged , flapping their wings vigorously and <unk> their heads under the water . They shake excess water off and then fly to a nearby branch to <unk> . They have been observed using <unk> or <unk> @-@ soaked foliage to bathe , and in dry weather will dust @-@ bathe in dry soil or fine litter such as grass <unk> . <unk> is communal , with birds stimulated to participate by observing others . They are occasionally observed <unk> . 
