Species of Thailand

Arctic leaf warbler

Phylloscopus borealis, Johann Heinrich Blasius, 1858

(In Thai: นกกระจิ๊ดขั้วโลกเหนือ)

The Arctic warbler (Phylloscopus borealis) is a widespread leaf warbler in birch or mixed birch forest near water throughout its breeding range in Fennoscandia and the northern Palearctic. It has established a foothold in North America, breeding in Alaska. This warbler is strongly migratory; the entire population winters in southeast Asia. It therefore has one of the longest migrations of any Old World insectivorous bird.

It traditionally included populations that breed in Kamchatka, the Kuril Islands and Japan, but genetic and vocal evidence strongly suggested these should be treated as separate species, and are all now considered distinct with the Kamchatka leaf warbler in Kamchatka, Hokkaido and the Kuril Islands, and the Japanese leaf warbler in Japan (except Hokkaido).

The nest is on the ground in a low shrub. Like most Old World warblers, this small passerine is insectivorous.

This is a typical leaf warbler in appearance, greyish-green above and off-white below. Its single wing bar distinguishes it from most similar species except the greenish warbler, Phylloscopus trochiloides. It is larger than that species and has a heavier, dagger-like bill, with a dark tip to the lower mandible. Its song is a fast trill.

This species occurs as an autumn vagrant in western Europe and is annual on Great Britain. There were 225 confirmed arctic warbler sightings in Britain between 1958 and 2001.

The genus name Phylloscopus is from Ancient Greek phullon, "leaf", and skopos, "seeker" (from skopeo, "to watch"). The specific borealis is from Latin and means "northern".

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Category / Seasonal Status

Wiki listed status (concerning Thai population): Winter and passage visitor

BCST Category: Recorded in an apparently wild state within the last 50 years

BCST Seasonal status: Non-breeding visitor

Scientific classification

Kingdom
Animalia
Phylum
Chordata
Class
Aves
Order
Passeriformes
Family
Phylloscopidae
Genus
Phylloscopus
Species
Phylloscopus borealis

Common names

  • Thai: นกกระจิ๊ดขั้วโลกเหนือ

Conservation status

Least Concern (IUCN3.1)

Least Concern (IUCN3.1)

Photos

No photo for this species yet

Range Map

Distribution map of Arctic leaf warbler, Phylloscopus borealis in Thailand
  • Ao Phang-Nga National Park
  • Ban Bueng District, Chonburi
  • Bang Phra Non-Hunting Area
  • Bang Pu Recreation Centre
  • Bangkok Province
  • Bueng Boraped Non-Hunting Area
  • Chaiya District, Surat Thani
  • Chiang Dao Wildlife Sanctuary
  • Doi Inthanon National Park
  • Doi Pha Hom Pok National Park
  • Doi Suthep - Pui National Park
  • Hala-Bala Wildlife Sanctuary
  • Hat Chao Mai National Park
  • Hat Wanakon National Park
  • Huai Kha Khaeng Wildlife Sanctuary
  • Kaeng Khoi District, Saraburi
  • Kaeng Krachan National Park
  • Kaeng Krung National Park
  • Kamphaeng Saen District, Nakhon Pathom
  • Kantharawichai District, Maha Sarakham
  • Khao Ang Rue Nai Wildlife Sanctuary
  • Khao Khitchakut National Park
  • Khao Kradong Forest Park
  • Khao Laem Ya - Mu Ko Samet National Park
  • Khao Lak - Lam Ru National Park
  • Khao Luang National Park
  • Khao Nam Khang National Park
  • Khao Phra - Bang Khram Wildlife Sanctuary
  • Khao Phra Thaeo Wildlife Sanctuary
  • Khao Sam Roi Yot National Park
  • Khao Soi Dao Wildlife Sanctuary
  • Khao Sok National Park
  • Khao Yai National Park
  • Khao Yoi District, Phetchaburi
  • Khlong Luang District, Pathum Thani
  • Khlong Nakha Wildlife Sanctuary
  • Khon San District, Chaiyaphum
  • Khura Buri District, Phang Nga
  • Klaeng District, Rayong
  • Ko Chang National Park
  • Ko Samui District, Surat Thani
  • Kui Buri National Park
  • Laem Ngop District, Trat
  • Laem Pak Bia
  • Mae Ai District, Chiang Mai
  • Mae Wong National Park
  • Mueang Chiang Mai District, Chiang Mai
  • Mueang Chiang Rai District, Chiang Rai
  • Mueang Chonburi District, Chonburi
  • Mueang Chumphon District, Chumphon
  • Mueang Kanchanaburi District, Kanchanaburi
  • Mueang Khon Kaen District, Khon Kaen
  • Mueang Krabi District, Krabi
  • Mueang Nonthaburi District, Nonthaburi
  • Mueang Phang Nga District, Phang Nga
  • Mueang Phuket District, Phuket
  • Mueang Ranong District, Ranong
  • Mueang Satun District, Satun
  • Mueang Suphanburi District, Suphan Buri
  • Mueang Surin District, Surin
  • Mueang Trat District, Trat
  • Nam Nao National Park
  • Nam Phong National Park
  • Namtok Sam Lan National Park
  • Nong Plak Phra Ya – Khao Raya Bangsa Non-Hunting
  • Nong Saeng District, Udon Thani
  • Pachee River Wildlife Sanctuary
  • Pak Phanang District, Nakhon Si Thammarat
  • Pha Hin Ngam National Park
  • Phato District, Chumphon
  • Phi Phi Islands
  • Phu Khiao Wildlife Sanctuary
  • Phu Langka National Park
  • Phu Suan Sai National Park
  • Phu Wiang National Park
  • Phutthamonthon District, Nakhon Pathom
  • Sai Yok District, Kanchanaburi
  • Samae San Island
  • Samut Prakan Province
  • Si Racha District, Chonburi
  • Similan Islands
  • Sirinat National Park
  • Sri Nakarin Dam National Park
  • Sri Phang-nga National Park
  • Su-ngai Kolok District, Narathiwat
  • Sukhirin District, Narathiwat
  • Surin Islands
  • Ta Phraya National Park
  • Taksin Maharat National Park
  • Takua Pa District, Phang Nga
  • Tarutao National Marine Park
  • Thalang District, Phuket
  • Thale Ban National Park
  • Thanyaburi District, Pathum Thani
  • Thong Pha Phum National Park
  • Ton Pariwat Wildlife Sanctuary
  • Wang Mai Forest Restoration Project
  • Yan Ta Khao District, Trang
Range map of Phylloscopus borealis in Thailand