Miracles on the wing

• Autores: Tim Vernimmen
• Localización: New scientist, ISSN 0262-4079, Nº. 3118, 2017, págs. 36-39
• Idioma: inglés
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• Resumen

  • The Arctic tern, a black-crowned seabird weighing no more than a bar of soap, flies from the top of the world to the bottom and back again every year. That's 40,000 kilometres as the crow flies. But when researchers equipped terns with satellite tracking devices, they discovered that these birds don't take the shortest path. One individual, tracked in 2015, ended up covering close to 100,000 kilometers--equivalent to more than twice around the planet. Here, Vernimmen examines the big mysteries of bird migration.