Sentence examples for young nestlings from inspiring English sources

Inevitably, some seeds and the feces of very young nestlings contribute to the fabric of the rim.

Parental care is shared more or less equally by the sexes, although females perform all incubation and nearly all brooding of young nestlings.

"You get a profound sense of accomplishment at the end of the season, when all the young nestlings are fledging," she said.

Young nestlings cannot regulate their body temperature, he said, so parents try to keep them at the optimum temperature by brooding the chicks or by shading open-cup nests.

At the time of our experiment most of the local birds were in the early stages of nesting (i.e. egg laying, incubating or feeding young nestlings) and thus in need of ample food resources.

It is possible that young nestlings in both lined and unlined nests experienced similar levels of first instar parasitism and, thus, similar effects on growth at an early age.

The result is that the oldest and youngest nestlings of a large brood may be hatched two or three weeks apart.

If the prey populations are inadequate for the adult owls to support the entire large brood, the younger nestlings starve, while the more aggressive older ones are able to maintain normal growth rates and are strong at fledging.

"This time of year is when the young birds are nestlings and are learning to fly.

Mates sometimes bring prey items to each other as well, usually during incubation, care for young, or after nestlings have been killed (Kepler 1972).

Food delivery to nest is extremely infrequent when the nestlings are young, averaging ≤ 1 delivery per parent per hour (Skutch 1948, Riehl 2005).