A nestling hawk can be called eyas. These are the hawks that are removed from their nests for falconry training.
eyas
a eyas is a nestling hawk - a eyas is a nestling hawk -
Egg, nestling, juvenile, immature, adult.
jellyfish/ bumhole
jellyfish/ bumhole
A chick or nestling.
Hatchling, nestling, fledgling.
A newly hatched bird might be called a hatchling, while the term nestling or chick is sometimes applied. What is probably the most correct term for the young is eyass (pronounced "EYE-ess").
They are sometimes called fledglings or chicks.
There is no such thing as a baby nestling, the term nestling is defined as a baby bird.
It could be either a hatchling (recently come out of the egg), a nestling (too young to leave the nest), or a chick (as for a hatchling and nestling).
the baby bird is called nestling
ratling, kitten, nestling, pinkie or pup