What Actually Makes Water Roll Off a Duck’s Back?

Ducks and geese spend a lot of time preening their all-weather feathers. This obsessive grooming – and a little styling wax from a hidden spot on their back side – maintains the microscopic feather structure that keeps them warm and dry in frigid waters.

Why would you not want to know this?

2 thoughts on “What Actually Makes Water Roll Off a Duck’s Back?

  1. Fascinating! There are several YouTube channels I subscribe to that cover this kind of info regularly. They are almost all PBS.


    1. Thanks Tom, will take a look

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