• 2026 City Nature Challenge

    (DMV) Join community and citizen scientists all over the globe to observe wildlife: animals, plants, and fungi in backyards, neighborhoods, and parks in urban areas. Using iNaturalist to document them, you can share your observation to help scientists track the wildlife that share our urban areas. See DC metro area events here and in this calendar. Register to track you ...

  • Bird Walk + City Nature Challenge Walk at Theodore Roosevelt Is.

    Theodore Roosevelt Island Washington DC, United States

    (Capital Nature) (DC Bird Alliance) (Northern VA Bird Alliance) We’ll be looking for birds and making nature observations using the iNaturalist app as part of the global City Nature Challenge—an annual effort to document local biodiversity. From songbirds to insects and plant life, every observation contributes to a broader understanding of the ecosystems around us.

    Free
  • CNC Observation with DC Master Naturalists

    Fort Dupont Park Minnesota Ave SE, Washington DC, United States

    (VA) (Capital Nature) Join DC Master Naturalists and Capital Nature for our annual City Nature Challenge observation at Fort Dupont Park. Fort Dupont hosts some of DC's most abundant biodiversity of birds, fungi, and plants (as well as invasive plant challenges), but they often go unnoticed. Help us put this green gem on the map while you enjoy a restorative ...

  • City Nature Challenge: Nocturnal Naturalists at Bull Run Regional Park

    Atlantis Water Park at Bull Run 7700 Bull Run Drive, Centreville, VA, United States

    (VA) (NOVA Parks) (Capital Nature) (MNCPPC) Join us for this global community science event by making observations on the free app iNaturalist. We'll set out to observe as many nocturnal critters as we can. We will also be setting up a mothing station and using a UV lights to locate critters that glow in the dark. It shapes up to ...

    Free
  • Meet Your Neighborhood Arborist

    Cleveland Park Library 3310 Connecticut Ave. NW, Washington, United States

    (DC) (Capital Nature) Did you know that every neighborhood in the District has a city Arborist who manages its public trees? Join us for a discussion with Aaron Rowe, the DC Arborist who looks out for the street and park trees in Cleveland Park and Woodley Park, two of Northwest DC’s greenest neighborhoods. Aaron will give an overview of the ...