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One million years ago, large mammals dominated the Bay Area landscape. Here a shortfaced bear chases two sabertoothed cats away away from a dead camel, while teratorns soar overhead, four-pronged antelopes and horses browse the grasses, Columbian mammoths amble by, a coyote chases a ground squirrel, and a raccoon observes it all from the safety of his perch in a live oak tree.

Illustration by Laura Cunningham.

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