They are called Aves or Avian.
Hawks are often associated group of birds called Raptors. Scientifically hawks are in the family Accipitridae which is a subset of the order Accipitriformes. The order Accipitrformes includes most species of raptors.
Horses are scientifically called Equines. This is derived from their Latin name, Equus caballus.
its called stanum
Scientifically it's called "brood parasitism". The most well-known example of this type of birds is the Common Cuckoo. This is also the origin of the words "cuckold" and "cuckoldry".
Cerebellum.
Division
They are called Birds of Prey.
A group of kiwi birds is called a tribe.
The study of birds is called Ornithology.
It is called a "plook" scientifically speaking...
The collective noun is a flock of birds.
The study of birds is called ornithology The person who studies birds is called an ornithologist