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6

Western Marsh Harrier

(Circus aeruginosus)
Alternate name(s): "Eurasian Marsh Harrier", "Marsh Harrier"
German name(s): "Rohrweihe"

Size: 43-54 cm; wing span 1.15-1.3 m
Weight: 400-650 g (male), 500-800 g (female)

Similar species

Description     Classification     Distribution     Sightings     Photos     Breeding     Nest     Eggs     Behaviour     Food     Call/s

Physical description

Click here for a physical description

Taxonomy, classification

See Western Marsh Harrier at Wikipedia .

Range, habitat, finding this species

Click here for information on habitat and range

Sightings

Click here for sighting information

Photos

Race "aeruginosus"

ADULT

MALE

Frontal view of a male Western Marsh Harrier in gliding flight (photo courtesy of D. Wilczynska)
[River Bug, near Brok, Masovia, Poland, August 2016]

Near-lateral/ventral view of a male Western Marsh Harrier, with a clear view of its underwing pattern (photo courtesy of D. Wilczynska)
[River Bug, near Brok, Masovia, Poland, August 2016]

Lateral view of a male Western Marsh Harrier in flight (photo courtesy of J. Pires )
[Mora, Evora, Portugal, July 2018]

Lateral view of a male Western Marsh Harrier in flight (photo courtesy of J. Pires )
[Tejo Estuary Nature Reserve, Portugal, June 2018]

Male Western Marsh Harrier banking to dive down on its prey (photo courtesy of D. Wilczynska)
[River Bug, near Brok, Masovia, Poland, August 2016]

FEMALE

Distant frontal view of a female Western Marsh Harrier in flight; note the long, dangling legs (photo courtesy of J. Pires )
[Odemira, Beja, Portugal, October 2018]

Near-lateral/ventral view of a female Western Marsh Harrier in flight (photo courtesy of J. Pires )
[Alcacer do sal, Setubal, Portugal, December 2018]

Lateral/ventral view of a female Western Marsh Harrier in flight (photo courtesy of J. Pires )
[Alcacer do sal, Setubal, Portugal, December 2018]

Lateral view of a female Western Marsh Harrier in flight (photo courtesy of J. Pires )
[Mora, Evora, Portugal, December 2018]

Lateral view onto the upperparts of a female Western Marsh Harrier in flight (photo courtesy of J. Pires )
[Odemira, Beja, Portugal, October 2018]

IMMATURE/JUVENILE

Second-year(?) immature male Western Marsh Harrier in low flight (photo courtesy of J. Pires )
[Tejo Estuary Nature Reserve, Portugal, January 2018]

These pages are largely based on our own observations and those of our contributors. The structure of these bird pages is explained HERE. For more salient facts on any bird species please refer to a field guide.

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