Britain's Kate, Duchess of Cambridge, feeds a baby rhino at the Centre for Wildlife Rehabilitation and Conservation (CWRC), at Panbari reserve forest in Kaziranga, in the north-eastern state of Assam, India, April 13, 2016. Prince William and his wife, Kate, planned their visit to Kaziranga specifically to focus global attention on conservation. The 480-square-kilometer (185-square-mile) grassland park is home to the world's largest population of rare, one-horned rhinos as well as other endangered species including swamp deer and the Hoolock gibbon. (Adnan Abidi/ Pool photo via AP)
Kaziranga: Prince William, Duke of Cambridge and his wife Catherine (Kate), Duchess of Cambridge being greeted on their arrival, at the Bahori Range of Kaziranga National Park, Assam on Wednesday. PTI Photo(PTI4_13_2016_000021B)
Britain's Prince William, left and his wife Kate, the Duchess of Cambridge walk at the Centre for Wildlife Rehabilitation and Conservation (CWRC) at Panbari reserve forest in Kaziranga, east of Gauhati, northeastern Assam state, India, Wednesday, April 13, 2016. The royal couple spent several hours at the Kaziranga National Park in hopes of drawing attention to the plight of endangered animals, including the park's 2,200-population of a rare, one-horned rhinos. (AP Photo/Anupam Nath)
Kaziranga : Prince William, Duke of Cambridge and his wife Catherine (Kate), Duchess of Cambridge feed elephant calves during a visit to the Centre for Wildlife Rehabilitation and Conservation (CWRC) near Kaziranga National Park, Assam on Wednesday. PTI Photo (PTI4_13_2016_000103A)
