Hyaenodon leptorhynchus, an extinct genus of creodonts, roamed the forests and open lands of the late Eocene to Miocene epochs. Notable for its elongated skull and powerful jaws, it was a dominant predator. Its hunting strategy likely involved ambush tactics, preying on smaller mammals.

Hyaenodon leptorhynchus is an extinct species of the genus Hyaenodon, which was widespread during the late Eocene to the early Miocene epochs. Fossil evidence of Hyaenodon species has been primarily found in North America, Europe, and Asia, indicating that Hyaenodon leptorhynchus likely inhabited these regions as well.

Hyaenodon leptorhynchus lived in a variety of environments, ranging from open plains and savannas to forested areas. The climate during the time of its existence varied from subtropical to temperate conditions, suggesting that this species was adaptable to different environmental conditions.

As a carnivorous mammal, Hyaenodon leptorhynchus occupied a niche as a top predator in its ecosystem. It likely preyed on a variety of herbivorous mammals and other small to medium-sized animals. Its adaptation to various habitats indicates it was a versatile hunter, capable of thriving in diverse ecological settings.