|
|
Article: Birds.
- Article from:
- Science Weekly
- Article date:
- September 11, 1997
CopyrightCOPYRIGHT 1997 Science Weekly, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
|
There are birds that can run and birds that can swim. Some birds sing and some even waddle, ... but not all birds can fly! Ostriches run really fast, and penguins are super swimmers, but neither of them can fly. They are flightless birds. No matter how hard or how fast they flap, their wings are not able to lift up their body weight.
Feather Facts
Feathers are what make birds different from all other animals. All birds, whether big or small, have feathers! Flying birds have specialized flight feathers on their wings and tails. These feathers also help steer and brake. Birds can save energy by holding their wings out stiffly as they fly. This helps ...