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Musk-oxen go head-to-head
Musk-oxen butt heads to win females, slamming into each other repeatedly.
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Viking Wilderness:   Musk-oxen go head-to-head
Musk-oxen butt heads to win females, slamming into each other repeatedly.
Aired: 9/27/11
Views: 198340
Network:  Animal Planet
 
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