Scientific Name: Helopsaltes certhiola
Alternate Name: Rusty-rumped Warbler
Malay Name: Cekup-Tikus Pinggul Perang
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.
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
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