Climate change targets many mammals: study

Researchers at the University of Washington have warned that the climate change transforms the habitat of the animals, but many species cannot migrate fast enough to survive a warming world.

Looking at the dispersal speeds of 493 mammals, the study found that as many as 39 percent of the Western Hemisphere’s mammals may not be able to keep up with climate change.

As Carrie Schloss, an ecologist at the University of Washington, explains that dispersal is the movement of an animal away from its home range, without anticipated return.

“In our research, we consider natal dispersal, which involves the movement of a juvenile away from its home range before its first reproductive event, for example to establish a territory or to find a mate,” Schloss adds.

According to the researchers, the most at risk species include the monkeys of Central and South America and tiny creatures such as shrews and moles. However, deer, elk and big carnivores such as wolves and coyotes stand a better chance as they have evolved to cover long distances.

The study is the first in its kind to combine climate-change projections with the estimates of how rapidly mammals shift their ranges.

MR/PKH

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