Moonlight Dictates When Some Birds Fly South

Interesting Engineering | Oct 16, 2019 at 8:55 PM
  • The researchers studied 39 European nightjars for a year and found the birds searched twice as much for insects to eat when the moon was out compared to when it was dark.
  • The birds started their migration flight roughly ten days after the full moon with the birds all taking off around the same time.
  • The researchers also found the birds tend to take three stages to make it to their final warmer destination.