- Second Breeding Atlas
Status
Tetrads
Possible
52
Confirmed
893
Total
945
Status
Tetrads
Present
3
Possible
186
Probable
0
Confirmed
682
Total
871
Not surveyed
15
Status
Tetrads
Possible
52
Confirmed
893
Total
945
Status
Tetrads
Present
3
Possible
186
Probable
0
Confirmed
682
Total
871
Not surveyed
15