Comments by "Nellie K. Adaba" (@NellieKAdaba) on "Hippo Day Spa | Nat Geo Wild" video.

  1. This is a "symbiotic" relationship, long-term interaction between biologically different species. I learned about that somewhere, probably in college. Very interesting and cool!
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  2. @T S Or maybe I learned in high school, I do not remember anymore. Good day and stay safe.
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  3. @samugrose It's a clean up of dead skin and to clean the whole system, it's part of nature.
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