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

Season 7 Episode 14

About the Episode

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.

Aired: 08/17/20 | Expires: | Runtime: 4m 51s
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