The greater roadrunner is in the cuckoo family, and its long tail; long, heavy, downcurved bill; and four toes positioned like an X reflect this relationship. This species runs on the ground, is relatively large, and has short, rounded wings. It has a brown and pale streaked appearance, darker above than below. The tail is long and dark with white edges, the legs are strong and long, and the head feathers are crested. The call is a descending series of “coos.”
Breeding - Greater Roadrunner - Geococcyx californianus - Birds of the World
Greater Roadrunner Audubon Field Guide
Greater Roadrunner Audubon Field Guide
Greater Roadrunner Overview, All About Birds, Cornell Lab of Ornithology
Greater Roadrunner Missouri Department of Conservation
Greater Roadrunner Audubon Field Guide
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Greater Roadrunner Audubon Field Guide