- 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