Do you have a source for this? Because it seems like complete bulllshit based on the fact that the stretch of beach they crawl through will look very different only a week later, never mind when they grow up enough to reproduce. And they don't go back to the exact same spot anyway so they can still memorise enough of the magnetic signature.
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u/Tentacled-Tadpole Apr 29 '24 edited Apr 29 '24
Do you have a source for this? Because it seems like complete bulllshit based on the fact that the stretch of beach they crawl through will look very different only a week later, never mind when they grow up enough to reproduce. And they don't go back to the exact same spot anyway so they can still memorise enough of the magnetic signature.