A female Snow Leopard shows off her teeth in the newly opened Allison Maher Stern Snow Leopard Exhibit at Central Park Zoo on June 11, 2009 in New York City. The new habitat offers zoo visitors an up-close view of the Snow Leopard, one of the world's most endagered big cats. Scientists estimate there are only a few thousand left in the wild, The new exhibit houses three Snow Leopards. By Chris McGrath/Getty Images.
