Loggerhead turtles, thus termed because of their massive heads with large crushing jaws,1 certainly get around. Just as the aptly-named ‘Crush’ in the animated movie Finding Nemo famously rode “the EAC” (East Australian Current), so real loggerheads migrate not just from north to south along the east coast of Australia2 but also across the wide expanses of the Pacific and Atlantic oceans. For example, the journey that loggerhead turtles take from their nesting beaches in Japan to their feeding areas along the Californian coast and back is the longest migration known for a marine animal.3 The enormous range of loggerhead turtles encompasses all but the most frigid waters of the world’s oceans. How are loggerheads able to navigate across thousands of kilometres of open ocean, all the way back to the very beach where they hatched, to lay their eggs?
For over a decade now, it has been known that loggerheads, even as hatchlings, can use the earth’s magnetic field to help them tell north from south and steer themselves along the right latitude.4 How could such an amazing ability have arisen by evolution? As famous evolutionist J.B.S. Haldane noted in 1949, evolution could never produce “various mechanisms such as the wheel and magnet, which would be useless till fairly perfect”.5 To detect the earth’s magnetic field, loggerhead turtles must have some sort of magnetic sensor—thus, by Haldane’s criterion, proving evolution false.6
Despite this, modern evolutionists have blithely continued to credit the loggerhead’s navigational capabilities to evolution, illogically disregarding the sophisticated design required for magnetic field sensing. And now recent findings have caught evolutionists by surprise, as it has been discovered that loggerheads’ positional and directional sense is way better than expected—explaining it without a Creator just got a whole lot harder….
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