A dangerous bird flu, in other words, was suddenly circulating in mammals — mammals with which people have ongoing, extensive ...

More than 170 species of North American wild birds were infected with bird flu. Here's what it means for your backyard bird feeder.

Francis was admitted to a hospital Feb. 14 after a bout of bronchitis worsened. He later developed a life-threatening case of ...

New research shows how physical changes in the skull affected the mechanics of the way birds move and use their beaks to eat and explore their habitats -- adaptations that helped them evolve into ...

That's according to researchers in a study that say as their brains grew, birds' skulls became more flexible, unlocking new ways to eat, move and survive. Researchers think that this shift in skull ...

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The independent movements and flexibility of various parts of the skull, called cranial kinesis, are an evolutionary innovation that is found in living vertebrates only in some squamates and crown ...