Before North and South America were connected, their mammals found a way to intermingle
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 sloths in the south contrasted with camels, horses, pronghorn antelopes and saber-t
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 sloths in the south contrasted with camels, horses, pronghorn antelopes and saber-t This story matters for Science & Discovery readers tracking student. Reported by phys.org. Read the full original at the source link below.
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