Some birds aren’t just skilled in the sky—they’re expert swimmers too. These unique species dive underwater to hunt, using ...

They also sometimes dive underwater to escape danger. Despite being heavy birds, geese can fly over 30 miles per hour. They ...

Meanwhile, some birds' bodies change when they evolve semi-aquatic lifestyles. Penguins, for instance, can't fly, but they swim in a way that's akin to "flying underwater." Their feathers and ...

Most birds use their wings to fly but some birds can’t fly such as penguins. They use their wings to swim underwater instead. There are lots of different types of birds and they all have ...