Tourists watch a one-horned rhinoceros inside the Kaziranga National Park, a wildlife reserve that provides refuge to more than 2,200 endangered Indian one-horned rhinoceros, in the northeastern Indian state of Assam.

A one-horned rhinoceros stands inside the Kaziranga National Park.

A two-and-half-month old male orphan one-horned rhinoceros calf rescued during recent floods walks at a rehabilitation center inside the Kaziranga National Park.

A one-horned rhinoceros wades in water as a forest guard stands nearby inside the Kaziranga National Park.

Flood affected villagers gather to collect distributed food grains in Burhabrhi village, 41 miles east of Gauhati, Assam state, India, Sept. 24, 2012.

An island in the Brahmaputra river floods in Majuli, India, Sept. 24.

A woman hangs clothes outside her partially submerged home during flooding in Pandu, India, Sept. 24.

A flood-affected woman makes temporary shelter in Burhabrhi village, India, Sept. 24.

Flood affected children arrive in a raft in Burhabrhi village, India Sept. 24.

A woman sits with her son in a makeshift hut in Burhabrhi village, India, Sept. 24.

A house burns in Kachugaon village, Assam state, India during violent ethnic clashes on July 23.

An Indian woman cries as fire fighters try to extinguish fire on her house following ethnic clashes in Kokrajhar, Assam state, India on July 24.

An ethnic violence victim cries at a relief camp in Goshaigaon after her house was burnt during violence in Assam, India on July 25.

Victims of the ethnic violence in Assam line up for relief goods at a camp in the Kokrajhar district of India on July 25.

Muslims hailing from India's north eastern Assam state and living in New Delhi shout slogans during a protest against the ethnic violence in Assam on July 25.

A Muslim man removes a tin sheet from his burnt house following ethnic violence in Kokrajhar, Assam state, India on July 25.

Ela Brahma, a victim of ethnic violence, attends to her four-day-old baby girl at a relief camp at Kambari Beel in Kokrajhar, India on July 25.

Flood-affected people walk through a damaged road at Marigaon district in the northeastern Indian state of Assam on Tuesday. At least 77 people have been killed and nearly two million affected by heavy monsoon rains that caused floods in Assam, in what the prime minister on Monday called one of the worst such disasters to strike recently. The mighty Brahmaputra River and many of its tributaries have breached their banks after downpours, washing away thousands of homes mostly made of bamboo and straw, as well as roads, bridges and power lines.

Indian army soldiers rescue flood affected villagers in Phateki, 270 kilometers (169 miles) east of Gauhati on Monday. Nearly half a million people took refuge in relief camps set up in government buildings after the devastating floods killed 95 people and left 14 missing in northeastern Assam state.

Nurses get on to an army boat for the remote flood affected areas in the worst flood affected Sonitpur district of Assam state about 270 km from Guwahati city, India, on Tuesday. Over 80 people have died as a result of the floods in Assam.

Medicine is sprayed on the feet of a flood affected victim in Phatekai village in the worst flood affected Sonitpur district of Assam state about 270 km from Guwahati city, India, on Tuesday. Over 80 people have died as a result of the floods in Assam.

A mahout moves an elephant to higher ground as villagers paddle with their belongings through flood waters in the Pobitora Wildlife Sanctuary, some 55 km from Guwahati, the capital city of Assam, India on June 28, 2012.

Wild Asiatic water buffalo run to take shelter on high ground inside the Pobitora Wildlife Sanctuary in the flood-affected Morigaon district of Assam on June 28, 2012. The sanctuary has been underwater for two days.

A man pauses before making his way through flood waters at Burhaburhi village, about 40 miles east of Guwahati on June 29, 2012.

Villagers along with Border Security Force (BSF) personnel engaged in a rescue operation for a capsized ferry at the Brahmaputra River in Bura-Buri village in Goalpara district in Assam, India, on May 1, 2012.

Divers and rescue workers stepped up the search for survivors on Tuesday, May 1, 2012. The double-decked ferry was carrying approximately 300 passengers when it capsized during a storm in the western district of Dhubri on Monday evening. Some 100 people swam to safety or were rescued.

Relatives mourn alongside the bodies of victims of the ferry disaster on May 1, 2012. Indian authorities said that some bodies might have been washed downstream into Bangladesh.

A disaster response worker searches a rail car for casualties in a derailed passenger train following an accident at Sathi Sarapa village near Gauhati, India, on Feb. 3, 2012.

Onlookers and rescue workers gather around the derailed train on Feb. 3, 2012.

Bystanders look on as a crane lifts the wreckage of a bus which crashed in the village of Charabari, Kamrup District, some 60 km from Guwahati, Assam on May 31. Dozens of members of a wedding party were killed in India's northeastern state of Assam when their bus plunged into a gorge after hitting a wooden bridge, police said. Among the dead were the groom and his relatives, who were travelling to the bride's house to attend wedding rituals. Local people rushed to the scene and tried to save passengers trapped inside the vehicle, TV channels reported.