When it comes to the animal kingdom, anything goes, it seems. From sounds heard miles away to spontaneous sex changes, these little-known facts were probably not discussed in that high school biology class you took.
The simple fact is that ostriches can outsprint a horse when its running at full speed. Not bad for a two-legged misfit that looks like a throw-back to a prehistoric time. I won't hold my breath waiting to see one entered in the Kentucky Derby, however.