Eastern Marsh Harrier

Scientific Name: Circus spilonotus
Malay Name: Helang-Sawah Timur
Chinese Name: 白腹鹞

Range:
Found from eastern Siberia, north-eastern China to northern Japan and winters to the Indian subcontinent, southern China, southern Japan, Korea and Southeast Asia

Taxonomy:
Monotypic

Size: 48-56 cm

Identification: Male resembles Pied Harrier but has black streaks on neck and breast and lacks large white patches on upperwing-coverts. Female resembles Pied Harrier but has dull rufous belly and thigh. Juvenile also resembles Pied Harrier but has darker brown body and pale head.

Similar looking species: Pied Harrier

Habitat: Open country, reclaimed land, grasslands and marshes.

Behaviour/Ecology: Usually flies low over open country with short flaps interspersed by long glides.

Local Status: Uncommon migrant

Conservation Status: Least Concern (IUCN 3.1)

Location: Recent sightings were at Changi reclaimed land, Tanah Merah grassland,  Kranji Marsh and Henderson Waves Bridge.

Photos:

Male Eastern Marsh Harrier at Tanah Merah. Photo Credit: Francis Yap

Female Eastern Marsh Harrier at Changi. Photo Credit: Tan Gim Cheong

Subadult male Eastern Marsh Harrier at Changi Reclaimed Land. Photo credit: Francis Yap

Juvenile Eastern Marsh Harrier at Henderson Waves. Photo credit: Adrian Silas Tay

Male Eastern Marsh Harrier at Tanah Merah. Photo Credit: Francis Yap

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

Reference:
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