Extreme northern Australia, from northern Cape York Peninsula south to Weipa on west coast and to c. 140° S on east coast (including Iron Range, Coen area and Silver Plains), in north-eastern Queensland.
Frill-necked Monarch (Arses lorealis) [XC754474]
by Marc Anderson from Cook's Hut Camping Area, Iron Range National Park, Queensland, Australia (uncertain, running water in a creek)
Frill-necked Monarch (Arses lorealis) [XC754130]
by nick talbot from Lockhart, Cook Shire, Queensland, Australia (uncertain)
Subspecies
No subspecies.
Was previously regarded as conspecific with Frilled Monarch (Arses telescopthalmus) but recently reseparated on basis of very distinct female plumage and disjunct range. Forms a superspecies with Ochre-collared Monarch (Arses insularis), Frilled Monarch (Arses telescopthalmus) and Pied Monarch (Arses kaupi). Not recognised as a species by BirdLife International.
Considered by some authors to be a subspecies of Frilled Monarch (Arses telescopthalmus).