''Eocuculus cherpinae'' is a prehistoric

bird Birds are a group of warm-blooded vertebrates constituting the class (biology), class Aves (), characterised by feathers, toothless beaked jaws, the Oviparity, laying of Eggshell, hard-shelled eggs, a high Metabolism, metabolic rate, a fou ...

, known from postcranial remains from the late Eocene Florissant beds in Colorado.

References

Eocene birds {{Cuculiformes-stub