Hotly debated among scientists, the end of the dinosaurs gave rise to the organisms that we see today. Dinosaurs
One group of dinosaurs remained: birds. As is the case with most survivors of the KT extinction, it’s unclear exactly why. In, Torres and his colleagues proposed a theory: birds may have survived because of their brains.
To gain insight into the evolution of modern bird brains, the researchers focused on birds’ evolutionary cousins:. These toothed sea-faring ornithurians were closely related to the ancestors of modern birds, but they did not survive the KT extinction.skull, the scientists recreated a model of its brain. Despite other similarities between the relatives, the“The forebrain of modern birds is gigantic relative to the rest of the brain,” Torres says.
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