Why water slides effortlessly off a duck's back
In short: We often use the phrase "like water off a duck's back" to describe things that don't stick, but for these birds, it is a vital biological mechanism. This video explores the science behind how ducks manage to stay dry despite living in water.
The video examines the physical properties that allow ducks to remain dry. While it might seem like they are immune to moisture, they actually do get wet; they simply possess a specialized way of managing it that keeps their feathers effective for survival.
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- Summary by Intellect · source: How Do Ducks Stay Dry?
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