New fossil skulls reveal insights about penguin brain evolution

Although flightless in air, penguins have a number of adaptations which allow them glide effortlessly through the water. And some of these adaptations are in an unlikely part of their anatomy -- their brains. Recent finds of fossil penguins from 35-million-year-old sediments in Antarctica have begun to shed light on the changes in penguin brains that accompanied their transition to water.

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