Subscribe 
Video: Common birds in Washington, D.C. are helping Smithsonian scientists track intensity of the West Nile Virus
Scientists from the Smithsonian Migratory Bird Center at the National Zoo have taken blood samples from thousands of birds and mosquitoes in an effort to track the progress of the West Nile Virus in the eastern United States. Come along in this video as Smithsonian scientists net birds living in downtown Washington, D.C., extract small amounts of blood, and then release them back into the "wild." [...more]
