Geococcyx or Greater Roadrunner Skull measures 3.7 in. Greater Roadrunner Skull is museum quality polyurethane cast. Made in the USA. 2-part skull (separate cranium and jaw).

Geococcyx or Greater Roadrunner Bird is a long-legged bird in the cuckoo family, Cuculidae, from the Southwestern United States and Mexico.

The upper body is mostly brown with black streaks and sometimes pink spots. The neck and upper breast are white or pale brown with dark brown streaks, and the belly is white.

A crest of brown feathers sticks up on the head, and a bare patch of orange and blue skin lies behind each eye; the blue is replaced by white in adult males and the orange is often hidden by feathers.

The Geococcyx or greater roadrunner uses its speed to run down prey. It feeds mainly on small animals, such as insects, spiders (including black widows and tarantulas), centipedes, scorpions, mice, small birds (including hummingbirds), and especially lizards and small snakes.

Venomous serpents, including small rattlesnakes, are readily consumed. They are opportunistic and are known to feed on carrion.

The Geococcyx or greater roadrunner can maintain a speed of 20 mph over long distances. While running, it places its head and tail parallel to the ground and uses its tail as a rudder to help change its direction. It prefers to run in open areas, such as roads, packed trails and dry riverbeds rather than dense vegetation.

The roadrunner less often engages in flight. It hovers from a perch, such as a tree or a human construction. More rarely, it flies short distances of 4 or 5 feet between potential roosts.

The greater roadrunner is the state bird of New Mexico and, as such, appeared in a 1982 sheet of 20-cent United States stamps showing 50 state birds and flowers.

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