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Program Information
Wisconsin Nature Notes
Regular Show
 Wisconsin Nature Note  Contact Contributor
Nov. 4, 2016, 11:39 a.m.
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.

Download Program Podcast
00:05:05 1 Feb. 1, 2015
Madison, Wisconsin USA
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1   00:05:05  128Kbps mp3
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