In Thai: นกพงปากหนา
Binomial name: Arundinax aedon, Peter Simon Pallas, 1776
The thick-billed warbler (Arundinax aedon) breeds in the temperate east Palearctic. South Siberia to West Mongolia.It is migratory, wintering in tropical South Asia and South-east Asia. It is a very rare vagrant to western Europe.
This passerine bird is a species found in dense vegetation such as reeds, bushes and thick undergrowth. 5-6 eggs are laid in a nest in a low tree.
This is a large warbler, at 16 - 17.5 cm long nearly as big as great reed warbler. The adult has an unstreaked brown back and buff underparts, with few obvious distinctive plumage features. The forehead is rounded, and the bill is short and pointed. The sexes are identical, as with most warblers, but young birds are richer buff below. Like most warblers, it is insectivorous, but will take other small prey items.
The song is fast and loud, and similar to marsh warbler, with much mimicry and typically acrocephaline whistles added.
It was sometimes placed in the monotypic genus Phragmaticola (or Phragamaticola) and for a long time as Acrocephalus and in 2009 suggested as being within the Iduna clade but a 2014 phylogeny study based on more loci suggested that it did not fit into the Iduna clade suggesting a resurrection of the genus Phragamaticola or Arundinax, the oldest available genus name which has priority.
Keyserling and Blasius gave no explanation of the genus name Iduna. The specific aedon is from Latin aëdon or Ancient Greek aedon and means nightingale. In Greek mythology Aëdon was changed into a nightingale after killing her own son while attempting to murder one of the sons of her sister Niobe.
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Kingdom Animalia Phylum Chordata Class Aves Order Passeriformes Family Acrocephalidae Genus Arundinax Species Arundinax aedon
Arundinax aedon rufescens, Boris K. Stegmann, 1929 Arundinax aedon rufescens, Watson, 1985
Iduna aedon, Peter Simon Pallas (1776) Phragmaticola aedon, Peter Simon Pallas (1776) Acrocephalus aedon, Peter Simon Pallas (1776)
Least Concern (IUCN3.1)
Amphawa District, Samut Songkhram Ban Laem District, Phetchaburi Ban Lat District, Phetchaburi Ban Phai District, Khon Kaen Bang Len District, Nakhon Pathom Bang Phra Non-Hunting Area Bang Pu Recreation Centre Bangkok Province Borabue District, Maha Sarakham Bueng Boraped Non-Hunting Area Bueng Khong Long Non-Hunting Area Chae Hom District, Lampang Chatturat District, Chaiyaphum Chiang Dao District, Chiang Mai Chiang Dao Wildlife Sanctuary Chiang Khong District, Chiang Rai Chiang Saen District, Chiang Rai Doi Inthanon National Park Doi Lang Doi Lo District, Chiang Mai Doi Pha Hom Pok National Park Doi Suthep - Pui National Park Doi Tao District, Chiang Mai Fang District, Chiang Mai Hang Chat District, Lampang Huai Chorakhe Mak Reservoir Non-Hunting Area Huai Kha Khaeng Wildlife Sanctuary In Buri District, Sing Buri Kaeng Khoi District, Saraburi Kaeng Krachan District, Phetchaburi Kaeng Krachan National Park Kamphaeng Saen District, Nakhon Pathom Kanthararom District, Sisaket Kantharawichai District, Maha Sarakham Kaset Sombun District, Chaiyaphum Khao Ang Rue Nai Wildlife Sanctuary Khao Khiao - Khao Chomphu Wildlife Sanctuary Khao Laem National Park Khao Lak - Lam Ru National Park 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 Khun Tan District, Chiang Rai Klaeng District, Rayong Ko Libong Ko Phra Thong Kui Buri National Park Kumphawapi District, Udon Thani La-ngu District, Satun Laem Pak Bia Mae Ai District, Chiang Mai Mae Ping National Park Mae Rim District, Chiang Mai Mae Sot District, Tak Mae Taeng District, Chiang Mai Mae Tha, Lampang District, Lampang Mae Wong National Park Mueang Buriram District, Buriram Mueang Chaiyaphum District, Chaiyaphum Mueang Chiang Mai District, Chiang Mai Mueang Chiang Rai District, Chiang Rai Mueang Chonburi District, Chonburi Mueang Kanchanaburi District, Kanchanaburi Mueang Khon Kaen District, Khon Kaen Mueang Lampang District, Lampang Mueang Maha Sarakham District, Maha Sarakham Mueang Nakhon Nayok District, Nakhon Nayok Mueang Nan District, Nan Mueang Nong Khai District, Nong Khai Mueang Phetchaburi District, Phetchaburi Mueang Ratchaburi District, Ratchaburi Mueang Samut Sakhon District, Samut Sakhon Mueang Sukhothai District, Sukhothai Mueang Suphanburi District, Suphan Buri Mueang Surin District, Surin Mueang Tak District, Tak Mueang Uttaradit District, Uttaradit Nam Nao National Park Nong Bong Khai Non-Hunting Area Nong Ya Plong District, Phetchaburi Pa Sang District, Lamphun Pai District, Mae Hong Son Pak Chong District, Nakhon Ratchasima Pak Phli District, Nakhon Nayok Pak Thale Pang Sila Thong District, Kamphaeng Phet Pha Daeng National Park Phanat Nikhom District, Chonburi Phra Nakhon Si Ayutthaya District, Phra Nakhon Si Ayutthaya Phu Chi Fa Forest Park Phu Hin Rong Kla National Park Phu Suan Sai National Park Pran Buri District, Prachuap Khiri Khan Pran Buri Forest Park Sai Noi District, Nonthaburi Sai Yok District, Kanchanaburi Samut Prakan Province San Sai District, Chiang Mai Taksin Maharat National Park Takua Pa District, Phang Nga Taphan Hin District, Phichit Tha Takiap District, Chachoengsao Thalang District, Phuket Thanyaburi District, Pathum Thani Thap Lan National Park Thawat Buri District, Roi Et Thung Yai Naresuan Wildlife Sanctuary Wang Noi District, Phra Nakhon Si Ayutthaya Wiang Kaen District, Chiang Rai Range map of Arundinax aedon in Thailand
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