Land of the Tiger Nicobar megapode is an endemic bird that incubates its eggs in a mound of sand and rotting vegetation. Cunning monitor lizards are filmed stealing the eggs and laying their own in the mound, which is still attended to by the oblivious birds. Animals filmed in the reefs around the islands include damselfish, clownfish and cuttlefish. Olive ridley turtles mate at sea and come ashore at Gahirmatha beach in their thousands, where Thapar watches the millions of hatchlings return to the water. India's Thar Desert spans the western states of Rajasthan and Gujarat. More people live here than in any other
Thar Desert or man-made (johads), are often the only source of water for animals and humans in the true desert areas. The lack of a constant water supply causes much of the local population to live as nomads. Most human settlements are found near the two seasonal streams of the Karon-Jhar hills. Potable groundwater is also rare in the Thar desert. Supplies are often sour due to dissolved minerals, and are only available deep underground. Wells that successfully bear sweet water attract nearby settlement, but are difficult to dig, possibly claiming the lives of the well-diggers. According to 1980 housing census in