How���and when���birds lost their teeth

December 15, 2014 3:16 PM

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How���and when���birds lost their teeth

Friday was a big day for bird lovers: Twenty-three new papers revealed all kinds of scientific information about the animals, ranging from how they learn to sing to how they got their feathers, Australia's ABC reports.

Among the reports was one looking into how the creatures lost their teeth. Experts know from the bird ancestor Archaeopteryx that the animals once had teeth.

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