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Originally Posted by smartie  Wikipedia says they can - a gland above the nose filters out the salt from the water they take in with fish etc. Boring to look it up, I know  |
the thing with that is that they would then need to drink a significant supply of freshwater in order to evacuate the excess salt in their urine - I have no doubt that you are right but this process is for filtering water taken in accidentally while feeding not for everyday drinking