fledgling period

fledgling period

period of immaturity before the bird is fully feathered; varies widely from pigeons at 10 to 35 days to the Californian condor at 180 to 210 days.
References in periodicals archive ?
Far from being alone among those who have ultimately flattered to deceive in recent months, Keane, 25, can take heart from his skipper's fledgling period at Goodison Park a decade ago.
Depending on when their eggs are laid, there will be a 25-30 day incubation period, followed by a five or six week fledgling period when the chicks are nesting.
Depending on when their eggs are laid there will be a 25-30 day incubation period, followed by a five or six week fledgling period when the chicks are nesting.
Criminal justice is still in the fledgling period of its development among the social sciences and is striving for viability.
Incubation is normally about two weeks followed by a fledgling period of another fortnight while the young remain in the nest.
Evolving from journalist to Web director during the fledgling period of e-commerce was not easy.
Most large gulls will lay eggs between April and July with a 25-30 day incubation period followed by a five or six week fledgling period.
Intersexual variation and factors affecting parental care in western bluebirds: a comparison of nestling and fledgling periods.