Why Birds Fly In A ‘V’ Formation

Many sorts of birds undertake long and arduous migrations and, when doing so, fly in a ‘V’ formation, and scientists have figured out why.

Save videos for later by signing up or logging in

With "My Queue" you can quickly save videos to watch later.

To add an item to your queue just click the sign next to the video.

Once you've added a video visit "My Queue" to start watching!