Ducks may like water, but they don’t use it to navigate
![ducks](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2014/09/ducks_free.jpg?fit=860%2C460&ssl=1)
North American ducks supposedly use rivers to navigate during migration. But when scientists tracked them with radar, they found the birds ignored a waterway.
John W. Iwanski/Flickr (CC BY-NC 2.0)