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Biologists in Sri Lanka have published the first documented evidence of dwarfism in an adult wild animal. A male Asian elephant (Elephas maximus) measuring just over 1.5 meters (five feet) in height was seen in an aggressive encounter with another male of average size. The elephant's small stature was due to disproportionately short legs, according to the findings published in the IUCN/SSC Asian Elephant Specialist Group journal Gajah. "The 'dwarf' was by far the main aggressor in the altercation and appeared to be older than the other, a young adult," states the study. "Other than for the disproportionately short legs, morphologically and behaviorally the dwarf appeared normal."Dwarfism is a condition in which either the limbs are disproportionately short relative to the body, or the whole body is in proportion but is smaller than usual. It can be caused by a number of genetic mutations, and is relatively common in humans. It has also been selectively bred in many domestic animals, such as dogs, cats and cattle. However, dwarfism in the wild is incredibly rare.
"If you think about it, most animals, especially mammals, are either predators or prey. If you are either and are born with short limbs you would be at a very big disadvantage," Prithiviraj Fernando of the Centre for Conservation and Research, and one of the authors of the paper, told mongabay.com. "A dwarf prey animal is very likely to be caught by a predator and similarly, a dwarf predator would find it very difficult to catch prey. So such individuals are very unlikely to survive in the wild. Elephants in Sri Lanka are unique (together with those in Borneo) in that they have no predators. So he was very lucky that he was born here!"
continue to source article at news.mongabay.com
reply to post by 727Sky
i submit this image...
Obvious fake. And that mutant can't act.
The little elephant is cute tho.
LOL what film is that from? I recognise the actor in the back...
Dwarf elephants are prehistoric members of the order Proboscidea that, through the process of allopatric speciation on islands, evolved much smaller body sizes (around 1.5-2.3 metres) in comparison with their immediate ancestors.
Dwarf elephants are an example of insular dwarfism, the phenomenon whereby large terrestrial vertebrates (usually mammals) that colonize islands evolve dwarf forms, a phenomenon attributed to adaptation to resource-poor environments and selection for early maturation and reproduction.
Some modern populations of Asian elephants have also undergone size reduction on islands to a lesser degree, resulting in populations of pygmy elephants.