The collective noun is a flock of birds.
There is no "father" with birds or in a flock of birds.
Past tense: The flock of birds was flying. Present tense: The flock of birds is flying. (flock is a collective noun)
If there is only one or two white birds in a pretty large flock, it is probably an albino.
The word 'bird' is singular.The word 'birds' is plural."One bird, two or more birds."The collective noun for a group of birds is a flock: "I saw a large flock of geese on the riverbank."
It is a flock of birds.
In the nursery rhyme "Birds of a Feather," the birds will flock together.
a flock a flock
A flock of birds.
It is a FLOCK of birds.
A flock is a group of birds; there is no specific number that a flock represents. Half of a flock is simply "half of a flock"
Birds of a feather flock together, but all birds cannot fly.