PBA3 State Birding Initiative
The Third Pennsylvania Bird Atlas (PBA3) is a five-year-long survey running from January 2024 to February 2029. It is a comprehensive study to document the breeding bird species of Pennsylvania.
The Third Pennsylvania Bird Atlas (PBA3) is a five-year-long survey running from January 2024 to February 2029. It is a comprehensive study to document the breeding bird species of Pennsylvania.