Hen Harrier
Circus cyaneus
Sensitive species - sites withheld
Provisional map - records subject to review and acceptance by Herts Bird Club Rare Birds Panel
Major towns
Important bird sites
10km Square IDs
Last updated 17-Nov-2008
First Winter Atlas
Day count
10km
1
4
2
0
3+
0
Total
4
New Winter Atlas
Status
10km
Present
4
Not surveyed
14