CreatureData

Eastern marsh harrier

Circus spilonotus Kaup, 1847

LCLeast Concernbirds of prey

The eastern marsh harrier (Circus spilonotus) is a species in the family Accipitridae, order Accipitriformes. Recorded adults weigh 502.2 g to 622.2 g. Its IUCN Red List status is Least Concern.

Eastern marsh harrier (Circus spilonotus)
Photo: markaharper1 · CC BY-SA 2.0 · Wikimedia Commons

Quick facts about the eastern marsh harrier

Weight
502.2 g – 622.2 gsrc for Weight
Length
Not recorded
Lifespan
Not recorded
Diet
Carnivoresrc for Diet
Main food
Not recorded
Habitat
wetlandsrc for Habitat
Young per litter or clutch
4.6src for Young per litter or clutch
Lifestyle
Aerialsrc for Lifestyle
Migration
Migratorysrc for Migration
Conservation status
Least Concern (IUCN)src for Conservation status
Countries on record
Not recorded

Photos of the eastern marsh harrier

Only freely licensed photos are shown. Each carries its creator and licence.

Eastern marsh harrier (Circus spilonotus)
Charles Lam from Hong Kong, China · CC BY-SA 2.0 · Wikimedia Commons

Where does the eastern marsh harrier live?

Not recorded

What is the eastern marsh harrier?

Quoted from WikipediaCC BY-SA 4.0

The eastern marsh harrier (Circus spilonotus) is a bird of prey belonging to the marsh harrier group of harriers. It was previously considered to be conspecific with the western marsh harrier (Circus aeruginosus) but is now usually classified as a separate species. It has two subspecies: C. s. spilonotus in eastern Asia and C. s. spilothorax (Papuan harrier, perhaps a separate species) in New Guinea.

From the Wikipedia article “Eastern marsh harrier” (en.wikipedia.org/w/index.php?title=Eastern_marsh_harrier&oldid=1379899458), by Wikipedia contributors, licensed under CC BY-SA 4.0 (creativecommons.org/licenses/by-sa/4.0). This block is kept separate from our own text.

Is the eastern marsh harrier endangered?

The eastern marsh harrier is listed as Least Concern on the IUCN Red List: it is not currently at risk of extinction.

  1. LCLeast Concern
  2. NTNear Threatened
  3. VUVulnerable
  4. ENEndangered
  5. CRCritically Endangered
  6. EWExtinct in the Wild
  7. EXExtinct

Category via Wikidata (CC0). Find the full assessment on the IUCN Red List. See all Least Concern species. What the categories mean.

How is the eastern marsh harrier classified?

  1. kingdomAnimalia
  2. phylumChordata
  3. classAves
  4. orderAccipitriformes
  5. familyAccipitridae
  6. genusCircus
  7. SpeciesCircus spilonotus Kaup, 1847

Synonyms Circus spilanotus spilanotus, Circus spilonotus spilonotus

Other names and names in other languages (45)
  • Eastern marsh-harrierEnglish
  • Eastern marsh-harrierEnglish
  • مرزة المستنقعات الشرقيةArabic
  • Skoul ar reterBreton
  • arpella orientalCatalan
  • moták východníCzech
  • boda’r DwyrainWelsh
  • Plettet RørhøgDanish
  • MangroveweiheGerman
  • MangrovenweiheGerman
  • orienta cirkuoEsperanto
  • Aguilucho lagunero orientalSpanish
  • ida-loorkullEstonian
  • سنقر تالابی شرقیPersian
  • siperiansuohaukkaFinnish
  • Busard d'OrientFrench
  • Busard d’OrientFrench
  • Cromán móna oirthearachIrish
  • זרון סוף מזרחיHebrew
  • azijska ejaCroatian
  • mangrove rétihéjaHungarian
  • Elang-rawa timurIndonesian
  • Albanella orientaleItalian
  • チュウヒJapanese
  • 개구리매Korean
  • rytinė lingėLithuanian
  • svītrainā lijaLatvian
  • കിഴക്കൻ കരിതപ്പിMalayalam
  • Oostelijke Bruine KiekendiefDutch
  • østsivhaukNorwegian
  • błotniak wschodniPolish
  • tartaranhão-orientalPortuguese
  • águia-sapeira-orientalPortuguese
  • tartaranhão-dos-pauis-asiáticoPortuguese
  • Восточный луньRussian
  • kaňa kapucňováSlovak
  • Istočna eja močvaricaSerbian
  • brokig kärrhökSwedish
  • เหยี่ยวทุ่งพันธุ์เอเชียตะวันออกThai
  • เหยี่ยวทุ่งพันธุ์เอเซียตะวันออกThai
  • Doğulu Saz DelicesiTurkish
  • лунь китайськийUkrainian
  • 白腹鹞Chinese
  • 東方澤鵟Chinese
  • 東方澤鵟〔白腹鷂，東方澤鷂〕Chinese

Catalogue of LifeWikipediaiNaturalistWikidataIUCN Red List

Relatives of the eastern marsh harrier

Other species in the same genus Circus.

LC, Least Concern
Pied harrier (Circus melanoleucos)

Pied harrier

Circus melanoleucos

Accipitridae

CompareEastern marsh harrier vs Hen harrierEastern marsh harrier vs Western marsh harrierEastern marsh harrier vs Pallid harrierEastern marsh harrier vs Montagu's harrier

Common questions

Answered only where our data holds the answer.

How big is the eastern marsh harrier?

An adult eastern marsh harrier weighs 502.2 g – 622.2 g, according to values recorded on Wikidata.

Is the eastern marsh harrier endangered?

The eastern marsh harrier is listed as Least Concern on the IUCN Red List, meaning it is not currently at risk of extinction.

What kind of animal is the eastern marsh harrier?

The eastern marsh harrier (Circus spilonotus) belongs to the family Accipitridae in the order Accipitriformes.

Sources and how to cite this page

Data as of 2026-11-11. How this page is put together.

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APA

CreatureData. (2026). Eastern marsh harrier (Circus spilonotus). Retrieved from https://creaturedata.com/animals/eastern-marsh-harrier

MLA

“Eastern marsh harrier (Circus spilonotus).” CreatureData, 2026, https://creaturedata.com/animals/eastern-marsh-harrier.

BibTeX
@misc{eastern_marsh_harrier_2026,
  title = {Eastern marsh harrier (Circus spilonotus)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/eastern-marsh-harrier},
  note = {Data as of 2026-11-11}
}