News Headline
Migratory birds found to be flying much higher than expected – new research
Source
The Conversation
Publication Date
2021-09-13
Every autumn, billions of birds leave their breeding areas when the temperature drops and food gets scarce to spend the winter in more favorable climes, returning the following spring when warm weather brings food in abundance. These epic journeys can cover thousands of kilometres, often crossing oceans and deserts where birds cannot stop to rest and eat.