North and South America weren’t always connected, but their mammals still found a way to intermingle
UC Berkeley researchers have found fossil evidence that animals from different latitudes of North America and South America mixed long before the Panamanian land bridge permanently linked the two ...
South America was home to the marsupial sabertooth, illustrated on the left, while North America was home to the smilodon, on the right. The species competed with each other after the Panamanian land ...
Until the Panamanian isthmus formed about 2.8 million years ago, North and South America were isolated continents with unique groups of animals. A riot of marsupials—mammals with brood pouches—and ...
Largely outshone by fossils of horses, the earliest camels are getting another look from scientists determined to sort out the relationships and adaptations of these “absolutely bonkers” herbivores ...
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