Black-throated Diver
Gavia arctica
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
1
2
0
3+
0
Total
1
New Winter Atlas
Status
Tetrads
Reported
0
Not surveyed
218