New Science, Old Bones and Wild Horses
"It needs to be more widely understood that the horse's status as a native North American species is beyond serious question, " Dr. Ross MacPhee, curator American Museum of Natural History

©Terri Farley
CREATED FOR WILD AT HEART: MUSTANGS AND THE YOUNG PEOPLE FIGHTING TO SAVE THEM
Modern
paleontology and sequencing of mitochondrial DNA is reflected in this
equine clock which shows just how quickly horses returned to North
America after they were wiped out along with other large mammals. Recent discoveries have narrowed the absence window since
this graphic was created, causing many scientists to consider the possibility that pockets of North American horses may have survived even longer.

No comments:
Post a Comment