- Second Breeding Atlas
Status
Tetrads
Possible
30
Confirmed
898
Total
928
Status
Tetrads
Present
1
Possible
235
Probable
0
Confirmed
626
Total
862
Not surveyed
17
Status
Tetrads
Possible
30
Confirmed
898
Total
928
Status
Tetrads
Present
1
Possible
235
Probable
0
Confirmed
626
Total
862
Not surveyed
17