Forum > Birds In The News > How Eggs Got Their Shapes

Webmaster Posted 22-Jun-2017 14:30
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From Science Daily and BBC on 22-Jun-2017 14:30

The evolution of the amniotic egg -- complete with membrane and shell -- was key to vertebrates leaving the oceans and colonizing the land and air but how bird eggs evolved into so many different shapes and sizes has long been a mystery. Now, an international team of scientists took a quantitative approach to that question and found that adaptations for flight may have been critical drivers of egg-shape variation in birds.


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