This event is in the past.It took place on April 29, 2026 at Van Cortlandt Park.
Parks & Gardens
Parks & GardensYour phone becomes a science tool during this global wildlife competition. Join fellow nature nerds to photograph and document Van Cortlandt Park's remarkable biodiversity, from cottontails to chipmunks, and help the Bronx defend its title as NYC's most observed park.
Wildlife spotting adventure
Hands-on citizen science
Nature photography challenge
Family outdoor activity
Tips
🥾"the hiking trails that makes me feel like I just stepped into a storybook"
📱download iNaturalist before you arrive
City Nature Challenge
Parks & GardensParks & GardensYour phone becomes a science tool during this global wildlife competition. Join fellow nature nerds to photograph and document Van Cortlandt Park's remarkable biodiversity, from cottontails to chipmunks, and help the Bronx defend its title as NYC's most observed park.
Wildlife spotting adventure
Hands-on citizen science
Nature photography challenge
Family outdoor activity
Tips
🥾"the hiking trails that makes me feel like I just stepped into a storybook"
📱download iNaturalist before you arrive
Make it an outing
Add nearby spots before or after your event