Geococcyx californianus

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General Descripion

  • Color- Roadrunners reach two feet from sturdy bill to white tail tip, with a bushy blue-black crest and mottled plumage that blends well with dusty shrubs, also it is tan or brown with extensive blackish streaking on the upperparts and chest. The crown is black with small, pale spots, and they have a patch of bare, blue skin behind the eye. The wings are dark with white highlights
  • Length- 50 to 62 cm and 19.69 to 24.41 in
  • Weight- 227 to 341 g and 8.00 to 12.02 oz
  • Wingspan- 43 to 61 cm and 16.93 to 24.02 in
  • Lifespan- They normally live up to 7-8 years
  • Diet- They eat Invertebrates, lizards, snakes, small birds, and rodents
  • Habitat- This species prefers arid deserts and other regions with a mix of scattered brush for cover and open grassy areas for foraging
  • Geographic range- Greater roadrunners are primarily a species of the southwestern United States, but their full range includes other areas as wel


  • Domain Eukarya - The Domain that most animals have, it contains organisms that have a nucleus that can be singled or multicelled
  • Kingdom Animalia- All members of this Kingdom is multicellular , all have hetrotroughs, and there are no prokaryote
  • Phylum Chordata - Bilateral system, Complete digestive system, and three germ layers
  • Vertebrata vertebrates- Movements provided by muscles attached to endoskeletonDigestive system with large digestive glands, liver, and pancreas Often modified to produce hair, scales, feathers, glands, horn, etc
  • Class Aves- Feathers, Large muscular system, strong skeleton
  • Family Cuculidae- Cuckoos, roadrunners, and relitives
  • Genus Geococcyx- Roadrunners

Behavioral Adaptations

Greater Roadrunners spend most of their lives on the ground hunting lizards, small mammals, and birds. They are very fast runners, leaning over parallel to the ground with their tails streaming behind them. They are weak fliers, but you may see them perched above the ground on fence posts and sometimes telephone wires. Also As they run, they hold their lean frames nearly parallel to the ground and rudder with their long tails. Sense they live in hot areas when it gets really hot they reduce there activity to half so basically instead of running around all day the sleep in a cool place.

Physical Adaptations

Roadrunners are very fast and can outrun a human the run at about 15 miles per hour. Also witch i think is pretty gross but kind of cool is they can reabsorb water from there feces witch provides them with water in there dry places they live in. Also because they have such a big tail it sticks above there head when they move or just stand up. They have a Large and slender-bodied witch helps them run fast and live in there habitat. They also have a Distinctive terrestrial cuckoo witch attracts mates



Burton, M. (2002). Roadrunner. In International wildlife encyclopedia (3rd ed., Vol. 16, pp. 2184-2185). New York, NY: Marshall Cavendish.

Greater roadrunner. (n.d.). Retrieved from

Grisham, E. 2005. "Geococcyx californianus" (On-line), Animal Diversity Web. Accessed March 11, 2015 at