- Second Breeding Atlas
Status
Tetrads
Possible
30
Confirmed
843
Total
873
Status
Tetrads
Present
2
Possible
221
Probable
0
Confirmed
481
Total
704
Not surveyed
18
Status
Tetrads
Possible
30
Confirmed
843
Total
873
Status
Tetrads
Present
2
Possible
221
Probable
0
Confirmed
481
Total
704
Not surveyed
18