This species qualifies as Vulnerable
because it is likely to have a small population and is confined to just
two tiny islands, where it remains at risk from chance events. It has
already been extirpated from a few islands, illustrating its
susceptibility to threats, and could be undergoing a slow decline, in
which case it would warrant Endangered status.
Black rat Rattus rattus
(present on Rarotonga) and the ubiquitous threat of habitat destruction
pose serious problems to all the indigenous birds of the Cook Islands,
while the introduction of exotic avian diseases, to which local birds
have no immunity, is another possible threat2.
Although the introduced Common Myna Acridotheres tristis did not
introduce any pathogens, it is aggressive and widespread and is often
blamed for the demise of the native landbirds2.
The species presumably benefits from
conservation measures carried out for the Rarotonga Flycatcher
Pomarea dimidiata (classified as Endangered) in the south-east of
the island, including intensive rat control.
*Survey and monitor the species on
both islands to establish numbers and trends. *Research its immediate
conservation requirements1, including foraging and
dietary studies5. *Take measures to ensure that alien
species are not accidently introduced, especially R. rattus
on Atiu. *Consider translocation to Mangaia5.
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