Mystery Solved Animals

Earth’s magnetic field guides sea turtles home

Slight shifts in loggerhead nesting grounds reveal how the reptiles navigate

Caretta caretta sea turtle

HOME AGAIN  Sea turtles use Earth’s magnetic field to pinpoint their nesting beach, a new study finds.

J.R. Brothers

By Julia Rosen

- More than 2 years ago

Loggerhead sea turtles traverse entire oceans in search of jellyfish and other scrumptious food. But at nesting time, they always find their way back to the very same stretch of coast where they hatched.