All birds fly except for members of the Ratite family (such as the ostrich, emu, and kiwi), members of the Anseriforme family (Falkland Steamer Duck and the Auckland Teal), Podicipediformes such as the Titica Grebe, and many members of the Gruiforme family which includes cranes and rails. Penguins do not fly, along with the Flightless Comorant and the Kakapo parrot.
-Peacock-Penguins
Birds. They are one of the few types of birds that cannot fly.
Pelicans at least.
Penguins and ratites
Geese, cranes, ibises, cormorants.
Yes, they are. Penguins are birds but they can not fly. However they still have feathers, are warm blooded and lay eggs.
It is not only birds that fly. Bats fly and they are not birds.
People do not fly like birds. If you tried to flap your arms, you would still fall.In terms of airplanes, helicopters, hang-gliders, and numerous other flying machines, none of them operate in the same way that birds fly. The aerodynamics are completely different.
To say that birds use wings and feathers to fly, so all birds can fly, would be false. Not all birds can fly. An ostrich is an example of a bird that cannot fly.
Most birds can fly. Not all.
The birds that can fly because it is easier for them to find food.
Since most wild birds can fly, it would be easiest to answer how many wild birds don't fly.Ostrich, Emu, Cassowary, Rhea, Kiwi, Penguins and the Inaccessible Island Rail. Approximately 40 species. There are approximately 10,000 species of birds...so minus 40 species of flightless birds leaves 9,960 species that fly (or, if flightless due to domestication, have living wild ancestors that can still fly).