City Nature Challenge
“Welcome to the Philadelphia City Nature Challenge! Between April 28 and May 1, 2023, Philadelphia and its adjacent counties will be competing against other cities in the world to see who can find the most species in their regions. If you are interested in contributing and helping Philly win, download the iNaturalist app (or visit the website) and start documenting the wildlife in your area. You can also visit our project page to see the latest observations as they come in. A lot of people think cities are mostly devoid of wildlife; there are the pigeons hanging out on buildings, the sparrows in city parks and the