Here’s the new bird family tree. It’s amazing.
10,000 Birds
DECEMBER 20, 2014
’s bird family tree in a new tab and follow along as you read. date the split of those branches to 88 million years ago, well before the extinction event that wiped out all non-bird dinosaurs and many other forms of life about 66 million years ago (the K-Pg boundary). In 2008, Nick Sly published a review of Hackett et al.
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