Author Topic: Ducks  (Read 696 times)

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Offline Leon

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« on: February 22, 2010, 03:51 PM »

Unfeeling Feet: Ducks do not have blood vessels or nerves in their feet so they can swim in water of any temperature.

All Quacked Up: Most duck species do not quack, but instead make a wide range of calls ranging from whistles to coos, yodels to grunts, and much more.

Built to Filter: Most duck bills are lined with serrated "lamellae" — thin, plate-like structures that aid in filter feeding.
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