Mammoth mount from latest alpha patch.
Updated mammoth model here:
http://www.youtube.com/watch?v=gdPG0I8y1CQ
Duration : 0:0:48

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Technorati Tags: alpha, game, king, lich, mammoth, mount, of, tbc, the, video, warcraft, wotlk, wow, wrath

Undead drake mount + mob version added in the latest alpha patch.
Duration : 0:1:46

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Motorbike mount from Wotlk beta.
Duration : 0:1:39

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Technorati Tags: beta, king, lich, motorbike, northrend, of, tbc, the, warcraft, wotlk, wow, wrath