Weave of the Gods: The Real-Life Golden Fleece

Paleontologists tell us the camel family arose in the North American Great Plains about 45 million years ago. One group took the Bering land bridge into Asia to establish the populations of Bactrian camels and dromedaries, while the other chose the southern route through Panama when that land bridge rose from the sea about 3 million years ago. Several of those species prospered in South America, including the guanaco, vicu