Arctic wildlife uses extreme method to save energy

The extreme cold, harsh environment and constant hunt for food means that Arctic animals have become specialists in saving energy. Now, researchers have discovered a previously unknown energy-saving method used by birds during the polar night.

Arctic wildlife uses extreme method to save energy
The extreme cold, harsh environment and constant hunt for food means that Arctic animals have become specialists in saving energy. Now, researchers have discovered a previously unknown energy-saving method used by birds during the polar night.