<![CDATA[Fossils tell the story of where these species used to live. These are fossil skulls of an American black bear, a raccoon, and a packrat from the Holocene of California, embedded in a block of original sediment. Credit: Alan Shabel.]]>

642486 image 1609795377 1609795594 <![CDATA[Fossils tell the story of where these species used to live. These are fossil skulls of an American black bear, a raccoon, and a packrat from the Holocene of California, embedded in a block of original sediment. Credit: Alan Shabel.]]> 1278