The phrase "all nestlings" is correct and usable in written English.
It can be used when referring to every young bird that has not yet fledged, typically in discussions about wildlife, birdwatching, or ecology.
Example: "The mother bird diligently cared for all nestlings, ensuring they were fed and protected from predators."
Alternatives: "every nestling" or "all young birds".
Iris color may also be correlated with age, as all nestlings (N > 60) observed by Kepler (1972) had slate colored irises.
To help monitor this endangered species, all kākā nestlings are banded with a unique combination of color bands on their legs, and between 2008 and 2013, all nestlings in monitored nests were also given an RFID tag.
Serology analyses showed that all nestlings from LL had Chlamydophila psittaci (C.p).
PHA intra-dermal injections and measurement of the response swelling of all nestlings were done by the same persons (injections by JEB and response by NP, respectively).
Furthermore, the likelihood that all nestlings in a brood were infected by APV increased with the number of blowfly larvae present in their nests.
All nestlings providing androgen (combined 5α-DHT and T) samples came from one- or two-egg clutches, and were categorized into four types: product of single-egg clutch, product of a two-egg clutch in which only one egg hatched, first nestling in a two-nestling brood, and second nestling in a two-nestling brood.
But remaining in the nest for "too long" is tremendously dangerous for many bird species because predators are always searching their territories for something to eat, and upon discovering an occupied nest, a predator usually kills all the nestlings in one go.
All the nestlings were sampled at about three weeks old.
Chlamydophila psittaci serovar I (or Chlamydophila abortus), an ovine pathogen causing late-term abortions, was isolated from all the nestlings of both kestrel species in one of the three studied areas, a location with extensive ovine livestock enzootic of this atypical bacteria and where gammapathies were recorded.
"You get a profound sense of accomplishment at the end of the season, when all the young nestlings are fledging," she said.
(Monday Update: The hawk watchers are sad to report that all three nestlings are now believed to be dead. We have more details at this link).
