Land Bridge Migration
CowboyRobot writes "One 'advantage' of global warming is the increasing availability of fossil records fom the frozen north.
For example, new evidence shows that many of the most common mammals in North America walked across the Bering land Bridge from Asia thousans of years ago. Reuters and Discovery Channel have other versions. (sorry, no pics)"
a Beowulf cluster of land bridges?
You thought it, but only I had the courage to say it.