cheetah cubs.
Visit msnbc.com for breaking news, world news and news about the economy Zoologists at the Smithsonian National Zoo have successfully convinced a 9-year-old cheetah named Zazi to become the foster parent of an at-risk cub. In December, Zazi and first-time mother Amani gave birth to cubs 10 days apart. The problem, however, is that both proud mamas delivered only one cub each -- which turns out to be a problem for mother and cub alike. "At Great Risk" Single-cub litters, referred to as "singletons" by zoologists, are often at great risk because their mothers typically don't produce enough milk. Though it sounds counterintuitive, according to the Smithsonian, mothers in the wild will often ...