How ancient flying reptiles ruled the skies: Study uncovers pterosaur tail structures that enhanced flight capabilities
Scientists have long puzzled over how pterosaurs became the first vertebrates to master flight. Some pterosaur species, such ...
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Why do birds make so many different sounds? A study gets at the underlying factors
Researchers conducted a global study of the factors that influence bird sounds, using more than 100,000 audio recordings from around the world.