Categories Mammals Max's Random Ramblings The Crossroads of History: America’s Great Biotic Interchange Post author By maxsblogosaurus Post date June 17, 2022 3 Comments on The Crossroads of History: America’s Great Biotic Interchange Millions of years ago, Central America became an almost unparalleled highway for organism migration. Tags Cenozoic, fossils, Great American Biotic Interchange, Ground Sloths, Nature, Paleontology, Prehistoric, prehistory, Sabretooth Cats