Ostrich and Emu.
to run fast and to run fast on trees it nees long neck
Running birds e.g. Ostrich can run fast comparable to horse in a desert .
A giraffe has a neck, head, and legs just like humans. With such long legs, giraffes can run extremely fast.
5mpr
Gentoo Penguin
Ostrich
there neck is long so that they can catch prey and it makes it easier to run
It is the Ostrich.
Ostriches and emus do not fly and run quite fast.
Yes they do, to help them balance when they run. :)
they can run super fast their the most fastest bird on the planet.
The ostrich can run as fast as the horse, although it cannot fly.