musk oxen on wrangel island.
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musk oxen
musk oxen and bison
图片内容是:muskoxen
four musk ox facts
herd of musk oxen gather on an esker just above polar bear pass
麝牛(ovibos moschatus),英文名:musk oxen(爱斯基摩语,意思为皮孟耨
a baby musk oxen stands with its mother, a photograph
musk oxen