Climate change is leading to cross between animals?

In recent years, were seen in the Arctic a series hybrid animals â€" fruit of the cross between different species â€" and, according to the scientists, their number is increasing. American researchers suggest climate change as a cause of the increase of these animals and, now, a well-known artist created images of how can they have.

Scientists believe that as the Arctic ice melts faster and faster, the different species of animals, such as bears and seals, which were previously separated by huge slabs of ice, are now mingle and mate freely.

In 2006, a white bear with brown spots, probably hybrid of a polar bear with a grey, was killed by hunters of the Arctic. Four years ago, was also spotted in the Bering Sea a hybrid of white whale bowhead whales.

Although the crossing can seem a smart survival technique, scientists report that the hybrid animals are usually infertile. So, this trend becomes worrisome because it may in fact lead to the extinction of certain species.

The artist Nickolay Lamm then established that images can have the Arctic hybrids. He was aided by writer and biologist Elin Pierce, who described the characteristics that these animals may have, on the basis of the dominant aspects of the original species. Pierce shared their knowledge about real hybrids, already spotted and photographed in the wild.

One of the most intriguing images of possible hybrid animals created by Lamm is representing the cross between a white whale and narwhal. Both species live in the Arctic and peripheral seas, having been found the skull of a hybrid of the two West of Greenland, in the Decade of 1980.

See some of the pictures.

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