Metabolus

Metabolus is a monotypic genus of bird in the family Monarchidae found in Australia and Melanesia.

Extant species
The genus Metabolus presently contains only a single species:
 * Chuuk monarch (Metabolus rugensis)

Former species
Formerly, some authorities also considered the following species (or subspecies) as species within the genus Metabolus:
 * Yap monarch (as Metabolus godeffroyi)
 * Tinian monarch (as Metabolus takatsukasae)