A nestling is a young bird that is not old enough to leave the nest.
There is no such thing as a baby nestling, the term nestling is defined as a baby bird.
a eyas is a nestling hawk - a eyas is a nestling hawk -
a bird that is too young to leave its nest is known Nestling
daisy
A nestling hawk can be called eyas. These are the hawks that are removed from their nests for falconry training.
jellyfish/ bumhole
jellyfish/ bumhole
A chick or nestling.
A birdling is a small bird or nestling.
A birdling is a small bird or nestling.
When a dog gives birth, it is called whelping.
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).