Research and monitoring for and with raptors in Europe
May 2010 - May 2015

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Submission #101

Thu, 2013-02-21
United Kingdom
Wing-tagging of Marsh Harriers in Norfolk
2011
2015
Regional
Norfolk
www.nwnrg.co.uk
North West Norfolk Ringing Group
Private
9
No
Western Marsh-harrier (Circus aeruginosus)
Regular breeder
No
20-50%
20-50%
Yes
No
No
No
Areas protected by national law (national parks, protected landscape areas etc.)
No
No
Yes
2011
2012
No
No
Yes
2011
2012
Yes
2011
2012
No
Yes
2011
2012
No
Yes
2011
2012
No
Yes
2011
2012
No
Yes
Agriculture (intensification, abandonment, expansion)
Predation
2011
2012
No
No
Yes
2011
2012
No
No
Total count
More than once a year
Yes
Yes
Total count
More than once a year
Yes
No
Yes
Annually
Yes
Yes
No
No
No
Yes
Annually
Yes
No
Yes
2011
2012
No
No
No
No
No
No
Yes
2011
2012
No
Yes
2011
2012
No
No
No
No
Yes
2011
2012
No
No
No
No
No
No
No
No
No
Yes
No
Occasionally
Yes
BTO, local ringing groups, county wildlife recorders
No
No
No
No
No
Yes
Yes
No
No
No
No
No
0
>6
>80%
100
All enquiries to chris.wernham@bto.org will be forwarded to the NWNRG.

Note that programme monitoring activities are listed as 2011-2012, since 2012 was the most recent breeding season. Monitoring will continue until 2015.

Costs are not easily quantifiable, but include purchase of rings and tags.