birds cannot. If you have indoor plants near your windows, you may inadvertently be encouraging birds to try to fly through the glass. Birds are attracted to plants and flowers — particularly if ...

Study in Evolution journal compares flightless bird evolution, revealing how feathers and bodies change when birds lose flight ability.

Penguins are birds that live on the land and in the waters around the South Pole. They cannot fly but are very good swimmers. The puffin is a seabird that lives on cliffs and islands around the UK.

You would have to look quickly to see either, however, as these speedy little birds ... and also fly upside down and backwards. These hummingbirds have extremely short legs, so they cannot walk ...