Mute Swan
Cygnus olor
Major towns
Important bird sites
10km Square IDs
First Breeding Atlas
Status
Tetrads
Possible
17
Probable
6
Confirmed
82
Total
105
Second Breeding Atlas
Status
Tetrads
Possible
35
Probable
10
Confirmed
59
Total
104
New Breeding Atlas
Status
Tetrads
Possible
6
Probable
6
Confirmed
38
Total
50
Not surveyed
303