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Family: Accipitridae
Genus: Circus
Species: Circus aeruginosus
Dutch name: Bruine kiekendief
Common name: Marsh harrier
Location: e Rietputten, Vlaardingen, The Netherlands
Remarks: Attack!
Genus: Circus
Species: Circus aeruginosus
Dutch name: Bruine kiekendief
Common name: Marsh harrier
Location: e Rietputten, Vlaardingen, The Netherlands
Remarks: Attack!
Family: Accipitridae
Genus: Circus
Species: Circus aeruginosus
Dutch name: Bruine kiekendief
Common name: Marsh harrier
Location: e Rietputten, Vlaardingen, The Netherlands
Remarks: Ready for touchdown
Genus: Circus
Species: Circus aeruginosus
Dutch name: Bruine kiekendief
Common name: Marsh harrier
Location: e Rietputten, Vlaardingen, The Netherlands
Remarks: Ready for touchdown
Family: Accipitridae
Genus: Circus
Species: Circus aeruginosus
Dutch name: Bruine kiekendief
Common name: Marsh harrier
Location: e Rietputten, Vlaardingen, The Netherlands
Remarks: Hunting
Genus: Circus
Species: Circus aeruginosus
Dutch name: Bruine kiekendief
Common name: Marsh harrier
Location: e Rietputten, Vlaardingen, The Netherlands
Remarks: Hunting
Family: Accipitridae
Genus: Circus
Species: Circus aeruginosus
Dutch name: Bruine kiekendief
Common name: Marsh harrier
Location: e Rietputten, Vlaardingen, The Netherlands
Remarks: Karate crow
Genus: Circus
Species: Circus aeruginosus
Dutch name: Bruine kiekendief
Common name: Marsh harrier
Location: e Rietputten, Vlaardingen, The Netherlands
Remarks: Karate crow
Family: Accipitridae
Genus: Circus
Species: Circus aeruginosus
Dutch name: Bruine kiekendief
Common name: Marsh harrier
Location: Beninger polder, Zuidland, The Netherlands
Remarks: Cruisin'
Genus: Circus
Species: Circus aeruginosus
Dutch name: Bruine kiekendief
Common name: Marsh harrier
Location: Beninger polder, Zuidland, The Netherlands
Remarks: Cruisin'
Family: Accipitridae
Genus: Circus
Species: Circus aeruginosus
Dutch name: Bruine kiekendief
Common name: Marsh harrier
Location: Beninger polder, Zuidland, The Netherlands
Remarks: Trailing
Genus: Circus
Species: Circus aeruginosus
Dutch name: Bruine kiekendief
Common name: Marsh harrier
Location: Beninger polder, Zuidland, The Netherlands
Remarks: Trailing
Family: Accipitridae
Genus: Circus
Species: Circus aeruginosus
Dutch name: Bruine kiekendief
Common name: Marsh harrier
Location: Beninger polder, Zuidland, The Netherlands
Remarks: Male
Genus: Circus
Species: Circus aeruginosus
Dutch name: Bruine kiekendief
Common name: Marsh harrier
Location: Beninger polder, Zuidland, The Netherlands
Remarks: Male
Family: Accipitridae
Genus: Circus
Species: Circus aeruginosus
Dutch name: Bruine kiekendief
Common name: Marsh harrier
Location: Beninger polder, Zuidland, The Netherlands
Remarks: Majestic
Genus: Circus
Species: Circus aeruginosus
Dutch name: Bruine kiekendief
Common name: Marsh harrier
Location: Beninger polder, Zuidland, The Netherlands
Remarks: Majestic
Family: Accipitridae
Genus: Circus
Species: Circus aeruginosus
Dutch name: Bruine kiekendief
Common name: Marsh harrier
Location: Andalusia, Spain
Remarks: Fooling around
Genus: Circus
Species: Circus aeruginosus
Dutch name: Bruine kiekendief
Common name: Marsh harrier
Location: Andalusia, Spain
Remarks: Fooling around
Family: Accipitridae
Genus: Circus
Species: Circus aeruginosus
Dutch name: Bruine kiekendief
Common name: Marsh harrier
Location: Zouweboesem, Ameide, The Netherlands
Remarks: What you looking at??!
Genus: Circus
Species: Circus aeruginosus
Dutch name: Bruine kiekendief
Common name: Marsh harrier
Location: Zouweboesem, Ameide, The Netherlands
Remarks: What you looking at??!
Family: Accipitridae
Genus: Circus
Species: Circus aeruginosus
Dutch name: Bruine kiekendief
Common name: Marsh harrier
Location: Beninger polder, Zuidland, The Netherlands
Remarks: Tagged young harrier from the UK
Genus: Circus
Species: Circus aeruginosus
Dutch name: Bruine kiekendief
Common name: Marsh harrier
Location: Beninger polder, Zuidland, The Netherlands
Remarks: Tagged young harrier from the UK
Family: Accipitridae
Genus: Circus
Species: Circus aeruginosus
Dutch name: Bruine kiekendief
Common name: Marsh harrier
Location: Zouweboesem, Ameide, The Netherlands
Remarks: Mamma Black tern expels Marsh harrier away from the nest
Genus: Circus
Species: Circus aeruginosus
Dutch name: Bruine kiekendief
Common name: Marsh harrier
Location: Zouweboesem, Ameide, The Netherlands
Remarks: Mamma Black tern expels Marsh harrier away from the nest
Family: Accipitridae
Genus: Circus
Species: Circus aeruginosus
Dutch name: Bruine kiekendief
Common name: Marsh harrier
Location: Zouweboesem, Ameide, The Netherlands
Remarks: Marsh harrier with angry mama Black tern
Genus: Circus
Species: Circus aeruginosus
Dutch name: Bruine kiekendief
Common name: Marsh harrier
Location: Zouweboesem, Ameide, The Netherlands
Remarks: Marsh harrier with angry mama Black tern
Family: Accipitridae
Genus: Circus
Species: Circus aeruginosus
Dutch name: Bruine kiekendief
Common name: Marsh harrier
Location: Beninger polder, Zuidland, The Netherlands
Remarks: Winter view
Genus: Circus
Species: Circus aeruginosus
Dutch name: Bruine kiekendief
Common name: Marsh harrier
Location: Beninger polder, Zuidland, The Netherlands
Remarks: Winter view
Field characteristics
Males and females differ in plumage quite much. Females and first calendar-yeard birds are brown with a lighter yellow head while males are three-coloured with a brownish body, grey patches on the wings and black wing-tips. The bird can be identified by the lang wings with 5 primaries (fingers) and the characteristic way of hunting, zigzagging low over the reed.
Sound: