Hesperonychus was a carnivore. It lived in the Cretaceous period and inhabited North America. Its fossils have been found in places such as Alberta (Canada) and Montana.

Quick facts about Hesperonychus:

  • Existed from Campanian Age to Maastrichtian Age
  • Lived in a terrestrial habitat
  • Was a carnivore
  • Reproduced by laying eggs
  • 4 different specimens have been found by paleontologists

All the Hesperonychus illustrations below were collected from the internet. Enjoy and explore:

Hesperonychus was described by the following scientific paper(s):
  • R. C. Fox. 1979. Canadian Journal of Earth Sciences 16:91
  • D. B. Brinkman. 1986. Microvertebrate sites: progress and prospectus. In B. G. Naylor (ed.), Field Trip Guidebook to Dinosaur Provincial Park, 2 June 1986. Dinosaur Systematics Symposium, Tyrrell Museum of Palaeontology, Drumheller, Alberta
  • N. R. Longrich and P. J. Currie. 2009. A microraptorine (Dinosauria–Dromaeosauridae) from the Late Cretaceous of North America. Proceedings of the National Academy of Sciences