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

Photos:

External Links:
Conservation Status: IUCN Red List Page
Photos: Oriental Bird Images
Sound Recordings: xeno-canto Link
Wikipedia Entry: Wikipedia Link

References:
BirdLife International. (2016). Locustella certhiola. The IUCN Red List of Threatened Species 2016. Downloaded on 2 September 2021
Jeyarajasingam, A., & Pearson, A. (2012). A Field Guide to the Birds of Peninsular Malaysia and Singapore. Oxford University Press.
Robson, C. (2008). A Field Guide to the Birds of South-East Asia. New Holland Publishers.
Wells, D. (1999). Birds of Thai-Malay Peninsula. Academic Press.