The roadrunners (genus Geococcyx), also known as chaparral birds or chaparral cocks, are two species of fast-running ground cuckoos with long tails and crests. They are found in the southwestern and south-central United States, Mexico and Central America, usually in the desert. Although capable of flight, roadrunners generally run away from predators. On the ground, some have been measured at 32 km/h (20 mph).

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