Interdasting find...
(media.greatawakening.win)
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how do you get fresh water from eating saltwater dwelling krill? or fish??? Are fish the opposite of humans (whose bodily fluids are salty?) some more than others
The water the whale needs is pulled from the food itself. The krill (and other food sources) aren't just sticks of salt as they have bodies able to filter out the salt. The whales then need to consume large amounts of them to get their caloric / water needs.