Pallas’s Grasshopper Warbler

Scientific Name: Helopsaltes certhiola

Malay Name: Cekup-Tikus Berjalur Biasa

Chinese Name: 小蝗莺

Alternative Name(s): Rusty-rumped Warbler

Range: Found from Mongolia, Siberia to northern China and winters to the Indian subcontinent and Southeast Asia

Taxonomy: Polytypic. Subspecies are: certhiola, sparsimstriatus, centralasiae, rubescens, minor.

Size: 14-15 cm

Identification: Resembles Lanceolated Warbler but larger with more rufescent upperparts, streaked crown/nape, bold black stripes on mantle and lacks dark streaks on flanks and undertail-coverts. Juvenile like adult but has faint streaks at lower throat.

Similar looking species: Lanceolated Warbler, Zitting Cisticola

Habitat: Tall reeds, grass and other vegetation near freshwater wetlands.

Behaviour/Ecology: Call is markedly different from Lanceolated Warbler, consisting of rapidly delivered, well-structured musical warbling phrases.

Local Status: Uncommon migrant

Conservation Status: Least Concern (BirdLife International 2016)

Location: Sengkang Riverside Park, Kranji Marsh and Lorong Halus

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Pallas's Grasshopper Warbler Helopsaltes certhiola
Estimated average number of individuals by week based on eBird data, Jul 2013 to Jun 2023
Peak week Dec 24-Dec 30
Early date 01 Sep 2007
Late date 29 May 1982
A fairly common inhabitant of dense reedbeds, but more often heard than seen. Most frequently observed from Oct to Apr.


BirdLife International. (2016). Helopsaltes certhiola. The IUCN Red List of Threatened Species 2016. Accessed on 1 January 2023

Jeyarajasingam, A., & Pearson, A. (2012). A Field Guide to the Birds of Peninsular Malaysia and Singapore. Oxford University Press.

Robson, C. (2014). Field guide to the birds of South-East Asia (Second Edition). Bloomsbury Publishing, London.

Wells, D. R. (1999). The Birds of the Thai-Malay Peninsula (Vol. 1). Academic Press, London.

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