From http://www.10000birds.com/how-fast-can-a-roadrunner-run.htm
How Fast Can A Roadrunner Run?
April 04, 2011
Corey
Every child who has ever seen a cartoon featuring Wile E Coyote and Road Runner has to have wondered if poor Wile E ever had a fair shot at catching the Road Runner. According to Mark Lockwood’s Basic Texas Birds: A Field Guide, with or without Wile. E. Coyote chasing it, a Greater Roadrunner can reach speeds of 20 MPH (32 KPH) while a Coyote can reach speeds of up to 43 MPH (69 KPH). Clearly, in an all out footrace, the roadrunner would be dinner.
Of course, a couple facts get in the way of Wile E Coyote snacking on Road Runner. First of all, roadrunners have an amazing ability to use ground cover as they run and they rarely move in a straight line. Wild coyotes can’t expect roadrunners to actually stick to the road when their life is on the line! There is also the really pesky fact that roadrunners can fly. They prefer not to but if a coyote were about to catch a roadrunner that roadrunner would take to the wing and be gone!
Finally, despite what Warner Brothers would like you to believe, there has never been a documented instance of a coyote catching a roadrunner.** Shocking, no? Especially considering that coyotes are known to eat pretty much everything! It’s as if all the cartoons I watched as a child were just made up scenarios in pretend worlds with no actual relation to reality and no practical use whatsoever. Oh well.
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