Enough to take down a plane.
There is no specific collective noun for blackbirds but any collective noun for birds will do; for example a flight of blackbirds or a flock of blackbirds.
The collective noun for blackbirds could be either a cloud, flock, grind, or a merl of blackbirds.
Yes many birds like blackbirds will eat this.
The collective noun is a flock of birds.
Birds from northern states move to the middle or southern parts of the country in fall, where they spend the winter.
Insectivorous birds are birds that feed on insects.
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)
Very interesting question. A group of blackbirds is most correctly called either a cloud, a cluster or a merle of blackbirds. Because they are so similar to ravens and crows, they are also called a murder, but this is not the most correct term.
Blackbirds
In the old song, 24 blackbirds were baked in the pie.
It is a flock of birds.