Cats 9 Things You Didn’t Know About Your Cat (Cat Owners NEED to Know #5!) By Jacob Holmes Posted on August 23, 2016 Share Tweet Share Share Email Comments Prev1 of 9Next #1. Cats Can Filter Salt Unlike humans, cats have kidneys that can filter salt very well. This means if your cat was lost at sea, she would be able to survive on saltwater! Prev1 of 9Next #1. Cats Can Filter Salt Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Google+ (Opens in new window) Related Related Items:cats are smarter than dogs, cats meow to communicate with humans, featured, sweat glands Share Tweet Share Share Email Click to comment Leave a Reply Cancel reply Your email address will not be published. Required fields are marked *Comment Name * Email * Website Notify me of follow-up comments by email. Notify me of new posts by email.