Brunei Darussalam, Cambodia, Canada, China (mainland), Finland (B), Hong Kong (China), India, Indonesia, Japan, Laos, Malaysia, Mexico, Mongolia (B), Myanmar, North Korea (B), Norway (B), Philippines, Russia (Asian) (B), Russia (Central Asian) (B), Russia (European) (B), Singapore, South Korea, Sweden (B), Taiwan (China), Tajikistan (P), Thailand, Timor-Leste (NB) (P), USA (B), Vietnam.
Vagrant to Australia, Bulgaria, Denmark, Faroe Islands, France, Germany, Gibraltar, Greece, Ireland, Italy, Kazakhstan, Luxembourg, Malta, Netherlands Antilles, Oman, Poland, Saudi Arabia, Spain, United Kingdom.
Northern Scandanavia east to Alaska. Migrates to south-easte Asia, Philippines and Indonesia in small numbers. Rare vagrant to Australia. Previous sightings have been at Sandy Island on Scott Reef.
Rarity Status
Currently this species is not classified as a rarity in this country OR information has not been updated.
Population
Estimated population is 50,000,000 - 100,000,000 (2010).
Arctic Warbler (Phylloscopus borealis) [XC485166]
by Stanislas Wroza from Kabansky District, Buryatia, Russian Federation (call)
Arctic Warbler (Phylloscopus borealis) [XC863944]
by Peter Ericsson from Jeram, Selangor, Malaysia (song)
Breeding Season (Guide)
Does not breed in Australia. Breeds from northern Scandanavia east to Alaska.
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Nest
A dome composed of moss, dry grass and dead leaves, lined with finer grasses, on the ground, usually well concealed.
Eggs (Guide)
5 - 6; white, finely and sparsely spotted with light reddish-brown.
Young
Fed on insects.
Subspecies
Additional proposed subspecies are talovka (Scandinavia east to southern Siberia and north-western Mongolia), transbaicalicus (eastern Siberia and northern Mongolia) and hylebata (northern Manchuria and south-eastern Russia south to northern Korea), all considered indistinguishable from nominate, and examinandus (from southern Kurils and Japan), which is synonymized with xanthodryas.
Vagrants to Australia could be any of the subspecies.
The following 5 subspecies are recognised:
borealis (Blasius, 1858) - Northern Europe and northern Siberia, east to Kolyma River, eastern Russia, northern Mongolia and north-eastern China, wintering in south-eastern Asia and the Indonesian Archepeligo.
xanthodryas (Swinhoe, 1863) - Chukotsky and Kamchatka Peninsulas, far-eastern Russia, Sakhalin and Japan, wintering south to Philippines, Indochina and Indonesian Archepeligo. Also known as examinandus. Considered by some authors to be two distinct species, Japanese Leaf-Warbler (Phylloscopus xanthodryas) and Kamchatka Leaf-Warbler (Phylloscopus examinandus). Considered by some authors to be a distinct species, Japanese Leaf-Warbler (Phylloscopus xanthodryas).
kennicotti (S. F. Baird, 1869) - Western and central Alaska, wintering south to Philippines, Indochina, Malaysia and Indonesian Archipeligo.
transbaicalicus Portenko, 1938 - Eastern Siberia to northern Mongolia. Winters to south-eastern Asia.
hylebata Swinhoe, 1860 - Eastern Amurland to northern Manchuria, Ussuriland and North Korea.
The Field Guide to the Birds of Australia Pizzey, G., and Knight, E., 1997, Angus & Robertson, Sydney ISBN 0 207 19691 5
Field Guide to Australian Birds Morecombe, M., 2000, Steve Parish Publishing Pty Ltd. ISBN 1 876282 10 X
Field Guide to the Birds of Australia Simpson, K., and Day, N., 1999, 6th Edition, Viking ISBN 0 670 87918 5
Reader's Digest Complete Book of Australian Birds 1988, 2nd Edition, Reader's Digest ISBN 0 949819 99 9
What Bird is That? 1984, Revised Edition, Angus & Robertson, Sydney ISBN 0 207 14846 5
Handbook of Australian, New Zealand & Antarctic Birds 1990 - , Oxford University Press, Melbourne ISBN 0 19 553244 9
BirdLife International Species Factsheet