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Mule Facts
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Befuddling Birth: The Case of the Mule's Foal : NPR
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Mule Facts
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Mule's foal fools genetics with “impossible” birth – The Denver Post
:max_bytes(150000):strip_icc()/13-61e93d452f114a07a3654de86ef6a712.jpg "What's the Difference Between Donkeys and Mules?")
What's the Difference Between Donkeys and Mules?
Mules can't reproduce. Here's the biological explanation why. | Belleville News-Democrat
Are Mules, Burros and Jackasses All Donkeys? | HowStuffWorks
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All About DONKEYS!
