Pennsylvania Bird Atlas (PBA3) Documents

Friday, May 10, 2024

PBA3 Handbook, Version 2

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.

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Mexican Jay, Madera Canyon, 6/27/2019, Marg Higbee

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