North America used to be crawling with giant mammals, from dire wolves to big cats.
In North America, "you only get the woolly mammoths up in the north, starting around the Great Lakes," Lindsey said.
AdvertisementOnce thought to be the cousins of gray wolves, dire wolves evolved separately over 5 million years ago in North America.
AdvertisementThe ancient bison, Bison antiquus, was 25% larger than those living today.
A recent study suggested modern bison — Bison biso — evolved from this species.
Persons:
—, wasn't, Emily Lindsey, Markus Matzel, Lindsey, Mike Kemp, mastodons, Benji Paysnoe, Camelops, Spencer, scotti, Daniel Eskridge, Andrew Milligan, scimitars, Jeffrey Greenberg, priscus, Katherine Frey, it's
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Service, National Park Service, National, South America, AP, Universal, Washington
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America, Asia, Australia, South America, Alaska, North America, Africa, Bering, Mexico, Costa Rica, Great, Canadian Yukon, of Panama, North, South, Eurasia, Americas, Spanish, Canada, Florida, Yukon, Gulf, Central, South Asia, China, California