Flipping the birds

• Autores: Jeff Hecht
• Localización: New scientist, ISSN 0262-4079, Nº. 3115, 2017, págs. 33-35
• Idioma: inglés
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• Resumen

  • Hecht discusses a strange opposite birds who ruled the skies million years ago and how modern birds escape total annihilation. Despite looking remarkably similar to their opposite cousins, they must have had some mysterious features that allowed them to survive the devastating impact. By looking at the subtle differences between modern birds and their extinct opposite cousins, palaeontologists are trying to piece together what made Tweety such a remarkable survivor. Opposite birds split from modern birds between 150 and 130 million years ago, and for more than 60 million years, both types of flying beasts shared the skies