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roadrunner vs. rattlesnake

roadrunner

[rohd-ruhn-er] / ˈroʊdˌrʌn ər /

noun

either of two large terrestrial cuckoos of the genus Geococcyx of arid regions of the western U.S., Mexico, and Central America, especially G. californianus greater roadrunner.

rattlesnake

[rat-l-sneyk] / ˈræt lˌsneɪk /

noun

any of several New World pit vipers of the genera Crotalus and Sistrurus, having a rattle composed of a series of horny, interlocking elements at the end of the tail.