Greater roadrunner of New Mexico. Greater roadrunner The greater roadrunner ("Geococcyx californianus") is a long-legged bird in the cuckoo family, Cuculidae, from Southwestern United States and Mexico. The Latin name means "Californian earth-cuckoo". Along with the lesser roadrunner, it is one of two species in the roadrunner genus "Geococcyx". This roadrunner is also known as the chaparral cock, ground cuckoo, and snake killer. The roadrunner is about long, has a wingspan and weighs . It stands around tall and is the largest cuckoo of the Americas. Roadrunners have four toes on each zygodactyl foot; two face forward, and two face backward. The
Cuckoo clock works. It should be noted that Kircher did not invent the cuckoo mechanism, because this book, like his other works, is a compilation of known facts into a handbook for reference purposes. The engraving clearly shows all the elements of a mechanical cuckoo. The bird automatically opens its beak and moves both its wings and tail. Simultaneously, there is heard the whistle—call of the cuckoo, created by two organ pipes, tuned to a minor or major third. There is only one fundamental difference from the Black Forest-type cuckoo mechanism: The functions of Kircher's bird are not governed by a count