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Continue to ChatFrog's Tongue is Sticky due to Saliva that Switches from Thin and Watery to Thick and Sticky to Catch the Prey https://doonwire.com/category/news/2017020401/frogs-tongue-is-sticky-due-to-saliva-that-switches-from-thin-and-watery-to-thick-and-sticky-to-catch-the-prey