[grey_whiskers]

One does not want to mess with ostriches and emus.

They are like geese on steroids with sharp pointed toes, and able to outrun a ...fat bluehair sociology major...for short bursts.

[Califreak]

One mean rooster can be a major threat....

[mass55th]

Or a herd of these:

What Is a Cassowary? Florida Man Killed by Giant Exotic Bird With Dagger-like Claws

[reformedliberal]

One does not want to mess with ostriches and emus.

They are like geese on steroids with sharp pointed toes, and able to outrun a ...fat bluehair sociology major...for short bursts.
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Plain old dairy bulls, especially the young ones, will run for miles with singular focus.