‘Turbocharged’ Mitochondria Power Birds’ Epic Migratory Journeys
Slight changes in the number, shape, efficiency and interconnectedness of organelles in the cells of flight muscles provide extra energy for birds’ continent-spanning feats. The post ‘Turbocharged’ Mitochondria Power Birds’ Epic Migratory Journeys first appeared on Quanta Magazine
Weighing in at a single ounce, the white-crowned sparrow can fly 2,600 miles, from Mexico to Alaska, on its annual spring migration, sometimes traveling 300 miles in a single night. Arctic terns make even longer journeys of 10,000 miles and more from the Arctic Circle to Antarctica, while great snipes fly over food-poor deserts and seas, sometimes covering 4,200 miles in four days without stopping.
