All woodhoopoes appear to be sedentary and territorial. True woodhoopoes are gregarious, usually living in groups of six to eight birds, while scimitarbills live only as pairs. All species appear to roost in a tree hole, a behavior that conserves energy in the group-roosting green woodhoo-poe. True woodhoopoes are noisy and each group defends its territory with loud cackling calls and exaggerated bowing and flagging displays. Scimitarbills are much quieter and usually advertise their occupancy only with melodious hooting.
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