120-million-year-old bird sported not one, but two tails, paleontologists found. The discovery indicates to a complicated evolutionary path in the tails of birds we see today, National Geographic reported.
The second-oldest known bird, Jeholornis, lived in what is today China along with other feathered prehistoric animals. Fossils show the Jeholornis was the size of a turkey, had claws on its winged forelimbs with three small teeth in its lower...
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