Epicyon haydeni was a carnivore that lived about 11-7 million years ago, which was during the late part of the Miocene. This creature was a ferocious and terrifying predator. It was larger than a modern lion.
Epicyon haydeni was a member of the canine family, which includes dogs, wolves, foxes, and jackals. It was the largest canine (that we know of) to have ever lived on this planet.
Fossils of Epicyon haydeni have been found in the Ash Hollow Formation of Brown County, Nebraska. Some Epicyon fossils have also been discovered in Ellis County, Oklahoma. Fossilized remains have also been unearthed in Texas and Florida.
Height: 4 feet (1.2m) (males). Length: 5-8 feet (1.5-2.4m) (males).
Weight 330-500 lbs (150-227 kg) (males). In general, female lions are smaller than males.
Lifespan: 10-14 years. Top speed: 50 mph (81 km/hr), for short distances