Pennsylvania Bird Atlas (PBA3) Documents

Friday, May 10, 2024

PBA3 Handbook, Version 2.4

PBA3 Guidelines Chart, Version 1
A detailed chart showing the non-breeding periods, migration periods, and breeding periods for each species.

Guide to Singing Bird Code (S)
Further clarification of which species and calls warrant the Singing (S) breeding code.

PBA3 Beginning Safe Dates
A concise document that you can print and carry with you, listing the dates when each species' safe breeding period begins.

PBA3 Winter Atlas
The Volunteer Handbook, the Priority Blocks, and the Water Surveys.

View News Archive

Great Gray Owl, Robert Moses State Park, NY, 2/21/2017, Marg Higbee

Upcoming Events

Muddy Creek Wetland Trail

  • Sat, May 17, 8:00 am
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Yellow Creek Outing

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  • Yellow Creek State Park

Tuesday Yellow Creek Outing

  • Tue, May 27, 6:15 am
  • Yellow Creek Park North Shore Gazebo

Stavich Bike Trail Outing

  • Sat, May 31, 8:00 am
  • Lawrence County

Tuesday Yellow Creek Outing

  • Tue, June 3, 6:15 am
  • Yellow Creek Park North Shore Gazebo

Tuesday Yellow Creek Outing

  • Tue, June 10, 6:15 am
  • Yellow Creek Park North Shore Gazebo

Tuesday Yellow Creek Outing

  • Tue, June 17, 6:15 am
  • Yellow Creek Park North Shore Gazebo

Tuesday Yellow Creek Outing

  • Tue, June 24, 6:15 am
  • Yellow Creek Park North Shore Gazebo

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