Help show off the biodiversity of the nation's capital and surrounding areas by making as many observations of as many species as possible on April 30, 2018! Join the Earth Conservation Corps at Diamond Teague Park (1520 1st St SE), for a series of walking tours along the Anacostia River, where participants will have the opportunity to learn about the river's history and ecosystem, document plant and animal life that they observe, and submit wildlife species to the Washington, DC City Nature Challenge using iNaturalist.