Each year, as winter approaches, many bird species undertake an exhausting migration, sometimes hundreds or even thousands of miles long. Birds will fly south to find more temperate climates, which is ...

The birds rely on accurate navigation, conserving energy and sleeping while flying to survive long journeys.

Bird migration is one of nature’s greatest wonders. Every year, birds travel across continents in search of food and suitable climates. They complete these journeys without modern tools or digital ...