Scientific Name: Phylloscopus borealis
Malay Name: Cekup-Daun Artik
Chinese Name: 极北柳莺
Found from northern Eurasia, Siberia, northeast China, Japan to Alaska and winters to Southeast Asia
Polytypic. Subspecies are: borealis, kennicotti
Size: 12.5-13 cm
Identification: Adult has long yellowish-white supercilium, olive-green crown and upperparts with two narrow wing bars (indistinct when worn), whitish grey underparts, dark tip at lower mandible and yellowish-orange legs.
Habitat: Forest, forest edge, wooded areas, mangroves, parks and gardens.
Ecology/Behaviour: Frequents the canopy.
Local Status: Common migrant
Conservation Status: Least Concern (IUCN 3.1)
Location: Any suitable patch of habitat like Central Catchment Forest, Singapore Botanic Gardens, Pasir Ris Park, Sungei Buloh Wetland Reserve, etc.
Craig Robson (2011) A Field Guide to the Birds of South-East Asia
Allen Jeyarajasingam & Alan Pearson (2012) A Field Guide to the Birds of Peninsular Malaysia and Singapore