- 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