Pallas’s Grasshopper Warbler

Scientific Name: Helopsaltes certhiola
Alternate Name: Rusty-rumped Warbler
Malay Name: Cekup-Tikus Berjalur Biasa
Chinese Name: 小蝗莺

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

Polytypic. Subspecies are: certhiola, sparsimstriata, 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 WarblerZitting 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 (IUCN 3.1)

Location: Sengkang Riverside Park, Kranji Marsh and Lorong Halus


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

Craig Robson (2011) A Field Guide to the Birds of South-East Asia
David Wells (2007) The Birds of Thai-Malay Peninsula, Volume 2
Allen Jeyarajasingam & Alan Pearson (2012) A Field Guide to the Birds of Peninsular Malaysia and Singapore