¡¿Pájaros que hibernan en lagos?!

The video explores historical and modern methods of understanding bird migration. Initially, theories like hibernation and lunar travel were proposed. The breakthrough came with bird ringing, revealing migration paths. Satellite tracking advanced this knowledge but had limitations due to device weight. Innovative geolocators now provide detailed migration data, revealing astonishing journeys like the Arctic tern's extensive travels.

What was one of the main theories about where birds went during winter before migration was understood?

How did researchers confirm long-distance migrations of birds in the early 1900s?

What technological advancement allowed scientists to track bird migrations more effectively?

What is the significance of the Arctic Tern's migration distance?

Describe the method used to reconstruct the daily position of birds during migration.