Sand Kittens

Although they're not in the U.S. National Zoo in Washington, the Washington Post has a video of these wild desert cats in their zoo home in Tel Aviv:

http://www.washingtonpost.com/nearly-extinct-sand-kittens-born-at-israel-zoo/2012/08/15/fbe4fc76-e6fa-11e1-9739-eef99c5fb285_video.html?wpisrc=nl_most_LoPop

The zookeeper explains that although the species isn't endangered in some other places, Israel's native population had been believed extinct.