PomareaPomarea 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.Taxonomy and systematicsExtant speciesThe genus Pomarea contains six extant species, including one possible extinct: Rarotonga monarch Tahiti monarch Marquesan monarch Ua Pou monarch Iphis monarch Fatu [Hiva monarch]Extinct species †Maupiti monarch †Nuku Hiva monarch †Eiao monarchFormer speciesFormerly, some authorities also considered the following species as species within the genus Pomarea:Bougainville monarch Chestnut-bellied monarch (ugiensis)StatusThe 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.