Species of Thailand
Pallas's grasshopper warbler
Binomial name: Locustella certhiola, Peter Simon Pallas, 1811
The Pallas's grasshopper warbler (Locustella certhiola) is an Old World warbler in the grass warbler genus Locustella. It breeds in east Asia. It is migratory, wintering from India east to Indonesia.
This small passerine bird is found in tall grass with some thicker vegetation, usually close to water in bogs or wet meadows. From 4 to 7 eggs are laid in a nest on the ground in grass. This species is a very rare vagrant to western Europe. One of the best places to see this skulking species as a vagrant is Fair Isle, Shetland; for a species that only rarely appears in western Europe, it can be found there with some regularity. This has made it a sought after species among UK "twitchers".
This is a medium-sized warbler. The adult has a streaked brown back, whitish grey underparts, unstreaked except on the undertail. The sexes are identical, as with most warblers, but young birds are yellower below. Like most warblers, it is insectivorous. It is very similar to the common grasshopper warbler, but is slightly larger, has white tips to the tail and tertial feathers, and a warmer brown rump. The white tips are the reason for its colloquial, mnenomic name of "PG Tips".
This is a skulky species which is very difficult to see except sometimes when singing. It creeps through grass and low foliage.
The song is not the mechanical insect-like reeling produced by the common grasshopper warbler and some other Locustella warblers, but an inventive Acrocephalus-like melody.
This bird was named after the German zoologist Peter Simon Pallas.
Note that the sixth edition of Clements checklist refers to this species as "Pallas's warbler", a name more commonly used for Phylloscopus proregulus.
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- Locustella certhiola
Least Concern (IUCN3.1)
- Amphawa District, Samut Songkhram
- Bang Len District, Nakhon Pathom
- Bang Phra Non-hunting Area
- Bang Pu Recreation Centre
- Bangkok Province
- Bueng Boraped Non-hunting Area
- Chatturat District, Chaiyaphum
- Chiang Dao District, Chiang Mai
- Chiang Saen District, Chiang Rai
- Doi Inthanon National Park
- Doi Lo District, Chiang Mai
- Doi Pha Hom Pok National Park
- Hat Yai District, Songkhla
- Kabin Buri District, Prachinburi
- Kaeng Krachan National Park
- Kamphaeng Saen District, Nakhon Pathom
- Kantharawichai District, Maha Sarakham
- Khanom District, Nakhon Si Thammarat
- Khao Lak - Lam Ru National Park
- Khao Sam Roi Yot National Park
- Khao Yai National Park
- Khao Yoi District, Phetchaburi
- Khlong Luang District, Pathum Thani
- Klaeng District, Rayong
- Laem Pak Bia
- Mae Ai District, Chiang Mai
- Mae Taeng District, Chiang Mai
- Mu Ko Chang National Park
- Mueang Chaiyaphum District, Chaiyaphum
- Mueang Chiang Mai District, Chiang Mai
- Mueang Chonburi District, Chonburi
- Mueang Khon Kaen District, Khon Kaen
- Mueang Lamphun District, Lamphun
- Mueang Phayao District, Phayao
- Mueang Phetchaburi District, Phetchaburi
- Mueang Samut Sakhon District, Samut Sakhon
- Mueang Songkhla District, Songkhla
- Mueang Suphanburi District, Suphan Buri
- Mueang Surat Thani District, Surat Thani
- Mueang Uttaradit District, Uttaradit
- Nong Bong Khai Non-hunting Area
- Nong Thung Thong Non-hunting Area
- Pak Phli District, Nakhon Nayok
- Pak Thale
- Pha Daeng National Park
- Phra Nakhon Si Ayutthaya District, Phra Nakhon Si Ayutthaya
- Phutthamonthon District, Nakhon Pathom
- Sai Noi District, Nonthaburi
- Samut Prakan Province
- San Sai District, Chiang Mai
- Sanam Bin Reservoir Non-hunting Area
- Si Racha District, Chonburi
- Takua Pa District, Phang Nga
- Taphan Hin District, Phichit
- Thalang District, Phuket
- Thanyaburi District, Pathum Thani
Range map of Locustella certhiola in Thailand
Important note; our range maps are based on limited data we have collected. The data is not necessarily accurate or complete.
Special thanks to Ton Smits, Parinya Pawangkhanant, Ian Dugdale and many others for their contribution for range data.
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