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Program Information
 Wisconsin Nature Notes 
 Regular Show
 Wisconsin Nature Note  
In February, our thoughts turn to love. Nature also puts a premium on the heart, but not just in February. Hummingbirds have the largest-known, relative heart size of all warm-blooded animals, yet it is only about the size of a dull pencil point! But it works hard, racing at a maximum of 1,260 beats per minute! By contrast, the blue whale’s heart weighs almost a ton. Find out how fast … or slow … it beats and learn more about the music of animal hearts on our podcast.

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00:05:05 English 2015-02-01
 Madison, Wisconsin USA
  View Script
WI Nature Notes - February - Valentines and Animals\' Hearts  00:05:05  128Kbps mp3
(5MB) Mono
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