Published February 17, 2018It's a fashion fact that the colder your environment the more winter accessories you need.

Even some animals have two coats: one for summer to match the bare ground and a winter white to match the snow.

But what if there is no snow and you can’t take off your coat?

In a new study in Science, scientists examined 21 species in 60 countries that shed brown coats and turn white to match the snow. As global climate change leads to less snowfall, many of these animals are turning white when there is no snow—making them more vulnerable. ("Before and After: See Animals Change Their Coats for Winter.")

But the study found some possible refuges for these creatures: Geographic regions