Svalbard reindeer thrive as they shift diet towards ‘popsicle-like’ grasses

Increased plant growth due to warmer climate appears to be prompting change in eating habits

As the Arctic warms, concern for the plight of Santa's favourite sleigh pullers is mounting. But in one small corner of the far flung north - Svalbard - Rudolph and his friends are thriving.

Warmer temperatures are boosting plant growth and giving Svalbard reindeer more time to build up fat reserves; they also appear to be shifting their diets towards popsicle-like" grasses that poke up through the ice and snow, data suggests.