yes
Speed.
Powered flight.
Cedar waxwing? Especially if you are near a river. Will often see them flying across a river catching small flying arthropods.
Past tense: The flock of birds was flying. Present tense: The flock of birds is flying. (flock is a collective noun)
Birds feel colder when they are flying
Chickens can fly , but they are low flying birds.
Flying birds are not always larger. There are many bats bigger than many kinds of birds.
Birds Flying Away was created in 2000-01.
10%
Humming Birds
Noel Gallagher's High Flying Birds was created in 2010.
A Flock of Birds means a lot of bird flying together