Where have all the dodos gone?

Biology professor Beth Shapiro is one part laboratory scientist and one part Indiana Jones style adventurer, traveling to remote locations to find fossilized bones and eggshells of ancient animals and extract their ancient ...

Ancient birds from North America colonized the South

Scientists studying ancient species migration believe northern birds had the ability to colonise continents that southern species lacked. The research, published in Ecography, reveals how the ancient 'land bridge' of Panama, ...

The Isthmus of Panama: Out of the Deep Earth

As dates in geologic history go, the formation of the slender land bridge that joins South America and North America is a red-letter one. More than once over the past 100 million years, the two great landmasses have been ...

Marine fossils unearth story about Panama's deep past

Between 6.4 and 5.8 million years ago, most of the land bridge that connects North and South America had already emerged and the channels connecting both Pacific and Atlantic oceans were shallow. Recent fossil discoveries ...

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