Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Migratory birds are some of nature’s most efficient ...

Every spring and fall, something extraordinary happens in the sky. Without most people ever noticing, billions of birds take flight under cover of darkness. These nocturnal travelers are mostly small ...

Millions of birds are expected to take flight across the U.S. Saturday night, Sept. 6, as part of their fall migration, according to a nonprofit that tracks bird migrations, although numbers in ...

Moving‍‌‍‍‌‍‌‍‍‌ long distances through migration is a hard task that often pushes the animals' physiological limits. However, the case of birds that can sleep while flying is probably the most ...

Changes in the number, shape, efficiency and interconnectedness of organelles in the cells of flight muscles provide extra energy for birds’ continent-spanning feats. Weighing in at a single ounce, ...

Add Yahoo as a preferred source to see more of our stories on Google. A record-breaking 1 billion birds were in flight over the eastern U.S. overnight on Oct. 8 according to a nonprofit group that ...