6 ways reindeer are adapted for extreme cold

Discover how these mammals can withstand severe weather. 

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Reindeer calf

Known as caribou in North America, reindeer live in very cold regions such as Alaska and Scandinavia. They can also be found in Scotland following a reintroduction in the Cairngorms. 

1. Antlers Whilst cattle horns have living tissue in the core, the antlers of reindeer are made of dead tissue and are regularly shed. Reindeer antlers are among the largest of any deer species, and unusually they are present on both males and females.

2. Eyes To cope with the long dark winters of the Arctic and enhance their vision, reindeers’ eyes are very sensitive to ultraviolet light.

3. Nose As well as being furry, the nose has an internal heat-exchange system. This means that each breath is warmed on its way to the lungs, and cooled as it is exhaled so that water vapour is condensed before it can be puffed into the air.

4. Coat There are two layers of fur consisting of an ultra-fine and dense underfur, and a shaggy outer layer. The outer hairs are hollow and provide insulation, similar to the fur of a polar bear.

5. Tendons The tendons in the foot joint click as a reindeer walks. These sounds help herds stay together in low visibility and may even play a role in reinforcing social hierarchies.

6. Feet Large feet with two toes and two large dew claws, which spread to distribute the body weight and provide grip. In snow, reindeer use their hooves in a technique called cratering to dig through the snow and find food beneath. 

How to see Cairngorm reindeer

The Cairngorm Reindeer visitor centre at Glenmore is open most of the year, closing from late January to the February half term. 

Guided tours to visit the herd on the hill take place daily starting at 11am, and visitors are advised to dress for the weather.

In the run-up to Christmas, reindeer from the Cairnform herd go on a tour that takes them all over Britain. More information on their website

 

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