The India endangered Bengal tiger decreases not only in number but in stature, according to a recent survey that suggests that famous big cats become physically smaller.
Experts say that the Bengal tiger is losing weight because of "stress" associated with environmental changes affecting their natural habitat in swamps Sunderban mangrove on the border between the India and Bangladesh.
A study conducted by the Indian wildlife officers have shown that the Tigers in the system were lighter and smaller body parts thereof from a decade ago.
"We were surprised that animals that would otherwise look healthy, weighed only 98 kg (215 pounds)," Subrata Mukherjee, Director of reserve of Tiger system, told AFP on Thursday.
He added: "the average weight of an adult Tiger are no less than 140 kg (309 pounds)".
As well as human encroachment, experts point to rising seas rise swamp Sunderban surrounding the delta of the Ganges River, water salinity level the Brahmaputra and Meghna rivers on the Bay of Bengal.
This reduces the number of freshwater ponds attract prey Tigers.
"Spotted deer is become their main source of food, but deer numbers are declining due to the increase in the level of the seas, which is causing flooding more in the forest," said Pranabesh Sanyal, an expert on Tiger with the International Union for conservation of nature and natural resources.
"If the Tigers are physically stressed and being fed and suffering from malnutrition, they are straying in human habitats goats and cows," said Sanyal.
The last census carried out by system in 2001-2002 established a tiger numbers into the Indian section of 274 mangrove forest just.
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