Fort Vancouver National Historic Site (NHS) will be hosting a Centennial BioBlitz – a treasure hunt to discover living organisms – May 20 and 21, 2016. National park rangers, accompanied by scientists from Clark College, Lower Columbia College, Paleoinsect Research, Portland State University, The Xerces Society, U.S. Fish and Wildlife Service, U.S. National Forest Service, and the National Park Service, will lead volunteers of all ages and backgrounds as citizen scientists for a day. Teams will develop a “snapshot” of biological information in the park by counting and identifyi ng plant and animal species using the iNaturalist app, cameras, and field guides.