Hawks and Eagles (Accipitridae)

Eastern Marsh-harrier (Circus spilonotus) - HBW 2, p. 137

French: Busard d'Orient German: Mangroveweihe Spanish: Aguilucho Lagunero Oriental
Other common names: Spotted Marsh-harrier; Spotted-backed/Papuan Harrier (spilothorax)

Taxonomy: Circus spilonotus Kaup, 1847, Asia.
Often considered a race of C. aeruginosus, with which it forms superspecies, along with C. ranivorus, C. approximans and C. maillardi. Race spilothorax possibly approaching species level. Two subspecies normally recognized.

Subspecies and Distribution:

spilonotus Kaup, 1847 - SE Siberia and Mongolia to Ussuriland, Sakhalin, NE China and N Japan; winters from S Japan and SE Asia and S China to Indonesia and Philippines.
spilothorax Salvadori & D'Albertis, 1875 - C & E New Guinea.

Least Concern

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9 photos

adult female eastern marsh harrier Locality Buir Lake, Dornod Province, Mongolia
MatzePutze 20 May 2011 1 year ago 4.8
adult female eastern marsh harrier Locality Buir Lake, Dornod Province, Mongolia
MatzePutze 20 May 2011 1 year ago 4.5
Hunting for food Locality Mai Po Marshes Nature Reserve, Hong Kong
Bob Thompson 18 October 2009 3 years ago 4.5
Hunting for food Locality Mai Po Marshes Nature Reserve, Hong Kong
Bob Thompson 18 October 2009 3 years ago 4.3
adult male eastern marsh harrier, mongolia Locality Buir Lake, Dornod Province, Mongolia
MatzePutze 1 May 2011 1 year ago 4.1
adult female eastern marsh harrier, mongolia Locality Buir Lake, Dornod Province, Mongolia
MatzePutze 20 May 2011 1 year ago 4
In a field Locality Arakhiya Farm, Al Rayyan, Qatar
John A Thompson 17 October 2010 2 years ago 4
In a field Locality Arakhiya Farm, Al Rayyan, Qatar
John A Thompson 17 November 2010 2 years ago 3.9
An Eastern Marsh Harrier was searching above a pond. Locality Hong Kong
William IP 3 January 2013 19 weeks ago 3.5