Welcome to the Philadelphia City Nature Challenge! Between Friday, April 26 and Monday, April 29, 2019, Philadelphia and its adjacent counties will be competing against other cities in the world to see who can find the most wildlife species in their regions in the span of 4 days. Participating counties include:  Philadelphia County, PA Delaware […]

Welcome to the Philadelphia City Nature Challenge! Between Friday, April 26 and Monday, April 29, 2019, Philadelphia and its adjacent counties will be competing against other cities in the world to see who can find the most wildlife species in their regions in the span of 4 days. Participating counties include:  Philadelphia County, PA Delaware […]