Robins and blue birds
A condor does not fly at night?
A bird that only flies in wind is called a magpie.
The Raven.
A bird flies because of a variety of specialized adaptations. THAT IS WHY A BIRD FLIES!
Only hummingbirds can do that with their own abilities. Seagulls can barely glide backwards involuntarily in high winds.
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Bird
A humming Bird
Mariah Carey sings "She Flies Like a Bird"
Those organisms have a wider food variety; for example a bird that eats only flies will not survive as well as a bird that eats flies and beetles, if the flies run out.
a very shy bird, it loves running not flying. flies only when in danger.
Nightingale is a bird. It flies.
They are usually killed on impact, but they may glance off only to die later.