The baby logger head turtle “dances” when they expect the actions researchers have used to investigate navigation abilities. By learning to associate magnetic fields with food, this cute display helped show that sea turtles have two different geomagnetic sensations that help them navigate during their epic sea journeys.
“Turtle dancing is a strange pattern of behavior that appears immediately in young captive sea turtles. Ken Roman At the University of North Carolina, Chapel Hill. “They get very excited and come for a swim with their heads up out of the water, and often when the food doesn't drop right away, they flap the flippers and start spinning.”
Source: www.newscientist.com