Difference between Small Fry and Nestling

SMALL FRY vs NESTLING: NOUN

A young person of either sex
Small children.
Young or small fish.
People or things regarded as unimportant.
One or more small or immature fish.
One or more children.
One or more persons or things of relatively little consequence, importance, or value.
Someone who is small and insignificant

Young bird not yet fledged
A young person of either sex
A young bird that has not yet left its nest.
The act of making a nest or going to nest; the act of settling or cuddling down.
A nest or nestling-place.
A young bird in the nest, or just from the nest.
The smallest bird in the nest; the weakest of the brood.
A young bird which has not abandoned the nest.
A nest; a receptacle.
A small bird that is still confined to the nest.
A young child.

Diminutiveness, Pusil, Pip squeak, Youngster, Child, Tyke, Shaver, Nipper, Nestling, Kid, Tiddler, Tike, Minor, Squirt, Fry

Brood, Nesting, Nest, Minor, Baby bird, Small fry, Child, Kid, Shaver, Fry, Youngster, Tyke, Tike, Tiddler, Nipper

Inexperienced person, Insignificant, Runtish, Diminutiveness, Pusil, Youngster, Child, Tyke, Nipper, Kid, Tiddler, Tike, Minor, Squirt, Fry

Offspring, Brood, Nesting, Nest, Minor, Small fry, Baby bird, Child, Kid, Fry, Youngster, Tyke, Tike, Tiddler, Nipper

However, the eggs and small fry of many spring spawning species are extremely sensitive to this acidification.
Frankly, Sadeas is a small fry at this point, some irrelevant water under the bridge.
Only now I guess commenters are too small fry and bloggers must be the target.
Not like all you small fry yourself everyone, we are heading out now!
Sized Problem or a Small Fry in the Inevitable Development of Product Liability?
But these are small fry, compared to the behemoth that is mobile payments.
Small Fry dead before he can carry out his vengeful deed.
Throw small Fry Whitebait that can be found in the flats.
Paper Company, GS Technologies and Small Fry Snack Foods Limited.
Small Fry booth, whdro children may buy gifts.

Rhea smiled, nestling next to her brother as he told the story.
Nestling between the four seasons special offers out dates to price.
Sylvia nestling beneath the crest of Malden Hill at Bar Harbor.
Hypothermia used instead of anesthesia for surgery on nestling passerines.
Another significant cause of egg and nestling mortality is predation.
Observed abnormalities in mandibles of nestling bald eagles, Haliaeetus leucocephalus.
European starling nestling response tochlorpyrifos exposure in a corn agroecosystem.
Behavior of nestling and adult grassland passerines at fledging.
Patterns of growth and asymmetry in nestling tree swallows.
Grand Canyon with Lake Como nestling in its depths.