fledgling

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fledgling

, fledgeling
a young bird that has just fledged
References in periodicals archive ?
Our objectives were to" (1) describe the movement and behavior of fledglings using radiotelemetry, and (2) develop protocols to more rigorously quantify juvenile survival, dispersal, and habitat selection.
The 10-year study revealed a strong statistical correlation between fledgling survival in summer and population changes the following year.
The compendium by Payne (2005) describes begging behavior by other cuckoo species, but mentions only a few records of Rusty-breasted Cuckoo fledglings and virtually no information on their calls or behavior.
Two unbanded Palila fledglings of approximately the same age (25-28 days after hatch) were seen 0.
The helpers -- which may be "singles" or mated birds postponing breeding for the season--assist in rearing the fledglings for up to six weeks.
We hypothesized that: (1) mortality rates in inland areas are higher than in coastal areas, (2) mortality rates in coastal areas are similar among age groups, (3) breeding-age adults experience higher mortality in inland compared with coastal areas during spring and fall migrations, (4) fledglings experience higher mortality in inland compared with coastal areas during their first migration to the coast and do not migrate inland during spring, and (5) subadults remain in coastal areas year-round.
Pairs will renest if the nest is lost in an effort to produce one brood of fledglings per breeding season (Woolfenden and Fitzpatrick 1984).
As part of a larger study assessing the nesting behavior of Loggerhead Shrikes (Lanius ludovicianus) on San Clemente Island (SCI), California, we documented at least two fledglings from a first brood visiting and interfering at their parent's second nest.
Over the past century, there have been numerous observations of male Chrysococcyx cuckoos feeding conspecifics that were thought to be fledglings (Moreau 1944, Friedmann 1968, Iversen and Hill 1983, Rowan 1983).
Here, I provide the first report of widespread cannibalism and scavenging of conspecifics among fledglings in a nesting colony of Black-crowned Night-Herons.
During the second nest attempt (23 May-27 June), from which five young fledged, we observed at least two different first-nest fledglings visiting the second nest on 10 different days.
Here, I provide the first report of wide spread cannibalism and scavenging of conspecifics among fledglings in a nesting colony of Black-crowned Night-Herons.