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Period From Sunday, July 26th, 2020 to Wednesday, September 16th, 2020
Species Western Marsh Harrier (Circus aeruginosus)
Site Brassoir / Morienval (Oise)
Restriction
with picture
with sound
number/page :
Wednesday, September 9th, 2020
This sighting is part of a partial listCommon species 5 
Western Marsh Harriers (Circus aeruginosus)
 [Collectif Brassoir by Henry de Lestanville Personal web site : http://frys99.wix.com/natura-cognita
]
Detail : 1x female > 1 year / 1x male adult / 1x female > 1 year staging / 1x 1st year / 1x female adult
Thursday, August 27th, 2020
This sighting is part of a partial listCommon species 2 
Western Marsh Harriers (Circus aeruginosus)
 [Collectif Brassoir by Henry de Lestanville Personal web site : http://frys99.wix.com/natura-cognita
]
Detail : 2x 1st year staging

https://cdnmedia3.biolovision.net/www.migraction.net/2020-08/xsmall/303-2088664-9105.jpg
Sunday, August 16th, 2020
This sighting is part of a partial listCommon species 2 
Western Marsh Harriers (Circus aeruginosus)
 [Collectif Brassoir by Henry de Lestanville Personal web site : http://frys99.wix.com/natura-cognita
]
Detail : 1x female type staging / 1x 1st year staging
Monday, August 10th, 2020
This sighting is part of a partial listCommon species 1 
Western Marsh Harrier (Circus aeruginosus)
 [Collectif Brassoir by Henry de Lestanville Personal web site : http://frys99.wix.com/natura-cognita
]
Detail : 1x 1st year staging
Tuesday, August 4th, 2020
This sighting is part of a partial listCommon species 1 
Western Marsh Harrier (Circus aeruginosus)
 [Collectif Brassoir by Henry de Lestanville Personal web site : http://frys99.wix.com/natura-cognita
]
Detail : 1x 1st year staging
number/page :
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