Challenge Area

The region covered under the 2023 City Nature Challenge for the Philadelphia area includes Philadelphia county and all the counties that directly border Philadelphia. So make sure your observations are in one of these 7 counties so that they count towards our totals.

In Pennsylvania,

  • Philadelphia County
  • Delaware County
  • Montgomery County
  • Bucks County

and in New Jersey,

  • Burlington County
  • Camden County
  • Gloucester County

Make sure you check out the observations currently being seen in the challenge area.

Screenshot from 2018-11-02 18-23-53












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