Pomarea

Pomarea is a genus of birds in the monarch flycatcher family Monarchidae. The genus is restricted to the islands of Polynesia. The monarchs of this genus are around 15–19 cm long and most have sexually dimorphic plumage. The genus Pomarea contains six extant species, including one possible extinct: Formerly, some authorities also considered the following species (or subspecies) as species within the genus Pomarea: The genus is highly threatened, with three of the six remaining species listed as critically endangered, one endangered and two vulnerable. Three species have already become extinct. The principal threat to all these species is predation by the introduced black rat.