Lisa Ware/Smithsonian’s National Zoo The baby animal cup continues to runneth over at the Smithsonian’s National Zoo’s Conservation and Research Center in Front Royal, Va., as they announced today the July 16 birth of a female tufted deer fawn – the fourth species to give birth at the Zoo within the last week. Zookeepers have already started referring to this summer’s explosion of births as a “baby boom” of endangered species. Tufted deer are…