Here’s the new bird family tree. It’s amazing.
10,000 Birds
DECEMBER 20, 2014
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). So do parrots, some songbirds, humans, and a few other mammals. Jarvis et al. Why is this? Where do these abilities come from?
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