- Second Breeding Atlas
Status
Tetrads
Possible
136
Confirmed
455
Total
591
Status
Tetrads
Present
19
Possible
119
Probable
0
Confirmed
170
Total
308
Not surveyed
18
Status
Tetrads
Possible
136
Confirmed
455
Total
591
Status
Tetrads
Present
19
Possible
119
Probable
0
Confirmed
170
Total
308
Not surveyed
18