Butterflies in the Arctic are getting smaller as a result of rising temperatures caused by global warming.

Researchers warn that butterflies living in Greenland have been growing smaller in the summer in response to the changing conditions there, meaning can’t fly as far.

Scientists fear that if temperatures continue to rise, many species could struggle to find enough food or to reproduce in their large range.

Biologists measured the wing length of almost 4,500 individual butterflies from two species – the Arctric fritillary and the Northern clouded yellow – collected at the Zackenberg Research Station in Northeast Greenland.

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