More than 99% of birds can fly. But that still leaves many species that evolved to be flightless, including penguins, ...

And that got Alison thinking: just how high can birds go? Are there altitude limits for our feathered friends? Could a cockatoo, a sparrow, or even a duck reach such dizzying heights if they ...

Scientists found that when birds lose the ability to fly, their skeletons change first, while feathers take much longer to ...

If the wind is blowing behind them, the birds fly high up in the sky where the wind will increase their speed. Do birds migrate to Northern Ireland? Birds do migrate to Northern Ireland!