A white tiger at the Alipore zoo in Kolkata, India. India's tiger population has grown to nearly 3,000, making the country one of the safest habitats for the endangered animals. Bikas Das/AP hide caption
tigers
A tiger discovered in what was thought to be an abandoned Houston home was rescued by the city's animal shelter, after an intruder called authorities. Lara Cottingham hide caption
In this 2014 photo, two Siberian tigers rest beside a gamekeeper's vehicle at the Harbin Siberian Tiger Park in China's Heilongjiang province. Goh Chai Hin/AFP/Getty Images hide caption
The Siberian tigers grimly contemplate their kill: the flying drone operated by their keepers. CCTV /Screenshot by NPR hide caption
Officers with Thailand's Department of National Parks, Wildlife and Plant Conservation observe the carcasses of 40 tiger cubs and a binturong (also known as a bearcat) found at the "Tiger Temple" on Wednesday. Dario Pignatelli/Getty Images hide caption
Tiger populations are on the rise, after years of losses, according to a new survey. Here, a tiger cub explores its nature reserve for the first time in England last year. Oli Scarff/AFP/Getty Images hide caption
'Blood Of The Tiger': Shedding Light On China's Farmed-Tiger Trade
A Tigercubcam view of the new cubs, born at the Smithsonian's National Zoo on Monday. Smithsonian's National Zoo hide caption
A Sumatran tiger at the Sumatra Tiger Rescue Center near Bandar Lampung on the southern tip of Sumatra island Beawiharta/Reuters /Landov hide caption