

A Siberian tiger looks after her 6 newly born boys on June 1, 2009 in Harbin, Heilongjiang Province of China. NEWSCOM
Three Siberian tiger babies, also known as the Amur tigers, cuddle in the zoo of Leipzig on March 13, 2009. They were born on last March 2, to their mother Bella. The Amur tigers are a rare and protected species. NEWSCOM
Antara, a newborn Siberian Tiger cub, is weighed during press call at the Berlin Zoo. The cub was born on June 23, 2008 NEWSCOM
Antara, a newborn Siberian Tiger cub, during press call at the Berlin Zoo. The cub was born on June 23, 2008 NEWSCOM
Two Siberian tigers look for food at the Heilongjiang Siberian Tiger Park on the outskirts of Harbin, capital of northeast China's Heilongjiang Province, Dec. 26, 2006. The park, the world's largest Siberian tiger breeding base, is home to more than 750 Siberian tigers, up from just eight when it was founded in 1986. Siberian tigers, among the world's 10 most endangered species, mostly live in northeast China and the Far East area of Russia. Of the estimated 400 living in the wild, only 10 to 17 Siberian tigers live in northeast China. NEWSCOM/FILE
A giant bungee cord amuses a Siberian tiger at the Toronto Zoo. NEWSCOM
Antara, a newborn Siberian Tiger cub, is weighed during press call at the Berlin Zoo. The cub was born on June 23, 2008 NEWSCOM
Two tigers roll in the snow in the Siberian Tigers Park in Harbin in northeast China's Heilongjiang province Saturday Dec. 29, 2007. Over 300 Siberian tigers are kept in the park, the biggest in China. NEWSCOM/FILE
A Siberian Tiger and one of her cubs rest at their enclosure at the Siberian Tiger Forest Park in northeast China's Heilongjiang Province in April, 2007. More than 100 tiger cubs were expected to be born at the park in 2007. NEWSCOM/FILE
A Siberian tiger rolls a ball for visitors to a zoo in Fuzhou in southeast China's Fujian province on Feb. 15, 2010. Chinese are having days off to celebrate the Year of Tiger. NEWSCOM
Siberian tigers put up a greeting gesture for visitors to a zoo in Fuzhou in southeast China's Fujian province on Monday Feb. 15, 2010. Chinese are having days off to celebrate the Year of Tiger. NEWSCOM