From DD'eDeN aka note/nickname/alas_my_l@21:1/5 to All on Sun Dec 5 21:35:06 2021
Genetic analysis further revealed the predators probably evolved in the Americas, where they were the only wolflike species for hundreds of thousands—or perhaps millions—of years. When gray wolves and coyotes arrived from Eurasia, likely about 20,000
years ago, dire wolves were apparently unable to breed with them, as the researchers found