Island Monarch - BirdForum Opus

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Photo by James Eaton
Talaud Island,Indonesia, August-2004

Identification

There are deep mitchondrial DNA divergences between some races which suggests this taxon should be split into multiple species [3]

Clements recognises the following subspecies [1]:

M. c. cinerascens: Wallacea (Sulawesi and adjacent islands, Moluccas, and Lesser Sundas)
M. c. inornatus: North-western New Guinea, Aru, Waigeo, Salawati and Misool islands
M. c. steini: Numfor Island (New Guinea)
M. c. geelvinkianus: Yapen and Biak islands (New Guinea)
M. c. fuscescens: Islands in Geelvink Bay (northern New Guinea)
M. c. nigrirostris: Coastal northern New Guinea (Dagua to Huon Gulf)
M. c. fulviventris: Ninigo, Hermit, Anchorite and Admiralty islands
M. c. perpallidus: Bismarck Archipelago (Mussau, Tench, Lavongai, Djaul, Tabar Islands, Lihir Islands, and Tanga Islands)
M. c. impediens: Eastern Bismarck Archipelago to Solomon Islands
M. c. rosselianus: D'Entrecasteaux, Bismarck and Louisiade archipelagos

Clements, J. F., T. S. Schulenberg, M. J. Iliff, S. M. Billerman, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2019. The eBird/Clements Checklist of Birds of the World: v2019. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
Avibase#Eaton, JA, B van Balen, NW Brickle, FE Rheindt 2021. Birds of the Indonesian Archipelago (Greater Sundas and Wallacea), Second Edition. Lynx Editions. ISBN978-84-16728-44-2

BirdForum Opus contributors. (2024) Island Monarch. In: BirdForum, the forum for wild birds and birding. Retrieved 26 April 2024 from https://www.birdforum.net/opus/Island_Monarch