>> GENERAL >>>>>
– medium-sized raptor, slightly smaller and slimmer than buzzard
– diurnal migrant, active sea-crossing
– migrates singly
>> VISUAL ID >>>>>
Hen Harrier Circus cyaneus, IMM
BIF1820, 29/03/2012, Besh barmag, Azerbaijan, Michael Heiß
Hen Harrier Circus cyaneus, 1CY
BIF1821, 30/11/2009, Havelland, Germany, Mathias Putze
Hen Harrier Circus cyaneus, 1CY
BIF1822, 30/11/2009, Havelland, Germany, Mathias Putze
Hen Harrier Circus cyaneus, 2CY F
BIF1823, 25/01/2017, Delitzsch, Germany, Mathias Putze
Hen Harrier Circus cyaneus, 2CY M
BIF7012, 05/09/2022, Helgoland, Germany, Mathias Putze
Hen Harrier Circus cyaneus, 2CY M
BIF7011, 05/09/2022, Helgoland, Germany, Mathias Putze
Hen Harrier Circus cyaneus, AD M
BIF2799, 03/09/2017, Dornod, Mongolia, Mathias Putze
Hen Harrier Circus cyaneus, AD M
BIF3701, 05/01/2022, Dojran, Greece, Mathias Putze
Hen Harrier Circus cyaneus, AD M
BIF2800, 03/09/2017, Dornod, Mongolia, Mathias Putze
Hen Harrier Circus cyaneus, AD M
BIF1824, 15/03/2012, Besh barmag, Azerbaijan, Michael Heiß
Hen Harrier Circus cyaneus, AD M
BIF1825, 23/03/2012, Besh barmag, Azerbaijan, Michael Heiß
Hen Harrier Circus cyaneus, AD M
BIF1826, 03/03/2010, Acinohur, Azerbaijan, Michael Heiß
Hen Harrier Circus cyaneus, AD M
BIF1827, 18/01/2015, Lenkoran, Azerbaijan, Michael Heiß
Hen Harrier Circus cyaneus, AD M
BIF1828, 26/10/2012, Havelland, Germany, Mathias Putze
Hen Harrier Circus cyaneus, 2CY M
BIF7011, 05/09/2022, Helgoland, Germany, Mathias Putze
Hen Harrier Circus cyaneus, 2CY
BIF1829, 01/04/2011, Havelland, Germany, Mathias Putze
Hen Harrier Circus cyaneus probably AD F
BIF1830, 15/10/2008, Havelland, Germany, Mathias Putze
Hen Harrier Circus cyaneus, AD F
BIF1831, 05/03/2010, Shirvan National Park, Azerbaijan, Michael Heiß
>> ACOUSTIC ID >>>>>
– usually nonvocal during migration
>> COMPARISON SPECIES >>>>>
Western Marsh Harrier (old AD M) (v)
Northern Harrier (v)
Pallid Harrier (v)
Montagu’s Harrier (v)
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