Navigation skills of Loggerhead turtles' revealed

Navigation skills of Loggerhead turtles' revealed

Scientists in U.S. have found out the secret on how sea turtles, can navigate to the right direction and cover thousands of miles, during an open sea voyage. Loggerhead sea turtles indeed can gauge their longitude position at sea, by means of two sets of magnetic cues, revealed University of North Carolina researchers. From the time baby loggerheads leave their homes, their inherent sagacity guides them through out their open sea voyage. Loggerheads species spend years to migrate through most complicated sea-routes covering million of miles during their voyage.

Loggerhead turtles more advanced than other marine species

Eminent researcher Nathan Putnam explained that the most complex part of navigation in open sea is deciding on the longitude or east-west position. It took human beings, centuries to navigate and decipher the concept of longitude during long-distance sea travel. As per the earlier studies, it was established that numerous species of turtles use magnitude cues to gauge latitude, and till now it was assumed that the same was not feasible for longitude. But, loggerhead turtles are industrious enough to utilize a technique of measuring longitude by earth's magnetic force and angle, researchers say. Nathan Putman, a researcher involved in the study says, "Along the migratory route of loggerheads, nearly all regions are marked by unique combinations of intensity (field strength) and inclination angle (the angle that field lines intersect the surface of the Earth) Thus, turtles can determine longitudinal position by using pairings of intensity and inclination angle as an X, Y coordinate system."

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