A flock of crows is called a "murder".
A Murder is the collective noun for a group of crows and a group of ravens is called a murder of ravens
A group of kiwi birds is called a tribe.
The collective noun is a flock of birds.
A group of birds is called a flock. A group of bitterns is called a siege or sedge of bitterns.
A group of Rooks are called a cathedral. Rooks are a type of black birds that appear blue or purple in direct sunlight.
A group of pigeons is called a flock, flight or kit.
The group of birds for 'convocation' is a convocation of eagles.
It's called 'FLOCK' of birds.
flock
flite
breastises
A flock