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单词 fledge
释义

Definition of fledge in English:

fledge

verb flɛdʒflɛdʒ
[no object]
  • 1(of a young bird) develop wing feathers that are large enough for flight.

    (幼鸟)长出飞羽

    the young fledge around four weeks after hatching
    Example sentencesExamples
    • In late December, chicks fledge, and adults leave the colonies to feed and molt.
    • Young birds fledge at 14 to 22 days and are partially dependent on adult birds for 23 to 28 days post-fledging.
    • The female usually stays with the young until this point, but she may leave before the young have fledged.
    • On July 11 the second brood of four nestlings fledged.
    • The spokesman said: ‘We are consulting to see if there's anything else we can do, but we've been advised it could be a month before the birds have hatched and fledged.’
    • Nestlings usually fledge before they can fly and continue to receive parental care for 18 to 20 days.
    • Females generally lay four or five eggs; between zero and four young fledge.
    • Often only one nestling fledges from broods in this population of brown pelicans, so the critical fight may be over who is ranked first, rather than who avoids being ranked last.
    • Eventually five young fledged and the next year, five more captive-reared birds were released.
    • The young chicks fledge or leave the nest in around 60 days and become fully independent in 14 more days.
    • Young birds fledge after a length of time that varies widely between species, but is roughly similar to the length of the incubation period.
    • Once they fledge, young birds wander long distances in random directions.
    • ‘When young birds are fledging, they need to learn to find natural foods,’ said the society's Winnie Burkett.
    • Four to five days after the young fledge, they can make short flights, and within a week they are strong flyers.
    • We searched for records of what happens to young birds after they fledge, a stage where many studies cease.
    • We couldn't put the seats out until the birds had fledged.
    • Nestlings fledge three to eight weeks after hatching, and are dependent on the parents for supplemental food for several days to weeks after fledging.
    • Soon after the young have fledged, the red foots congregate and first departure flights commence.
    • A total of 1072 eggs hatched, and 518 nestlings fledged successfully.
    • On this first day of summer, we are well into the season when baby birds fledge - a desperate time of survival for many young birds.
    1. 1.1with object Bring up (a young bird) until its wing feathers are developed enough for flight.
      (幼鸟)长出飞羽
      they fledged twenty-four chicks in fourteen months
      Example sentencesExamples
      • In Area 1, one chick was fledged successfully in four nest attempts.
      • Once back, they establish territories, make their nests, breed, and fledge their young.
      • Although we may have missed a few birds that lost their eggs early, it is unlikely that we missed birds that fledged chicks.
      • All broods except one successfully fledged their young.
      • Breeding couples are generally able to successfully fledge a chick only once in nine years.
      • Furthermore, after recruitment larger females were more likely to successfully fledge offspring, providing a mechanism by which RSD is maintained in the population.
      • A successful nest fledged at least one young (fledging defined as leaving the nest).
      • If all goes right at the nest site, it takes eight months to fledge a chick.
      • Males were sampled on average 4 days after they had fledged their nestlings.
      • During the years 2001 and 2002, from the 10 nests observed at the Savannas only one chick was successfully fledged and survived through its first year.
      • Conserving their habitat could involve preserving a patch of scrub or delaying the cutting of a swathe of hay for a few days until a bird has fledged its young.
      • It is possible that those birds renested >10 km from previous nests and eventually fledged young.
      • This finding supports the prediction of Kuletz, who suggested that adults that deliver mostly low-lipid fishes are less likely to fledge a second chick.
      • Those species like the pied kingfisher and the Seychelles warbler, which are able to fledge many more young when assisted, are also the same species that are mostly likely to recognize close relatives.
      • One female initiated a second nest attempt 24 days after fledging young from her initial nest and successfully fledged a second brood.
      • Hen flea infestations significantly reduced nestling body mass, tarsus and wing length, and the number of young fledged by the hosts.

Origin

Mid 16th century: from the obsolete adjective fledge 'ready to fly', from Old English, of Germanic origin; related to Dutch vlug 'quick, agile', also to fly1.

Rhymes

allege, dredge, edge, hedge, kedge, ledge, pledge, reg, sedge, sledge, veg, wedge

Definition of fledge in US English:

fledge

verbflejflɛdʒ
[no object]
  • 1(of a young bird) develop wing feathers that are large enough for flight.

    (幼鸟)长出飞羽

    the young fledge around four weeks after hatching
    Example sentencesExamples
    • We couldn't put the seats out until the birds had fledged.
    • On July 11 the second brood of four nestlings fledged.
    • Eventually five young fledged and the next year, five more captive-reared birds were released.
    • Young birds fledge after a length of time that varies widely between species, but is roughly similar to the length of the incubation period.
    • Soon after the young have fledged, the red foots congregate and first departure flights commence.
    • Young birds fledge at 14 to 22 days and are partially dependent on adult birds for 23 to 28 days post-fledging.
    • The young chicks fledge or leave the nest in around 60 days and become fully independent in 14 more days.
    • ‘When young birds are fledging, they need to learn to find natural foods,’ said the society's Winnie Burkett.
    • The female usually stays with the young until this point, but she may leave before the young have fledged.
    • Nestlings fledge three to eight weeks after hatching, and are dependent on the parents for supplemental food for several days to weeks after fledging.
    • On this first day of summer, we are well into the season when baby birds fledge - a desperate time of survival for many young birds.
    • Once they fledge, young birds wander long distances in random directions.
    • We searched for records of what happens to young birds after they fledge, a stage where many studies cease.
    • In late December, chicks fledge, and adults leave the colonies to feed and molt.
    • A total of 1072 eggs hatched, and 518 nestlings fledged successfully.
    • Nestlings usually fledge before they can fly and continue to receive parental care for 18 to 20 days.
    • Females generally lay four or five eggs; between zero and four young fledge.
    • Four to five days after the young fledge, they can make short flights, and within a week they are strong flyers.
    • Often only one nestling fledges from broods in this population of brown pelicans, so the critical fight may be over who is ranked first, rather than who avoids being ranked last.
    • The spokesman said: ‘We are consulting to see if there's anything else we can do, but we've been advised it could be a month before the birds have hatched and fledged.’
    1. 1.1with object Bring up (a young bird) until its wing feathers are developed enough for flight.
      (幼鸟)长出飞羽
      they fledged twenty-four chicks in fourteen months
      Example sentencesExamples
      • Hen flea infestations significantly reduced nestling body mass, tarsus and wing length, and the number of young fledged by the hosts.
      • Those species like the pied kingfisher and the Seychelles warbler, which are able to fledge many more young when assisted, are also the same species that are mostly likely to recognize close relatives.
      • Once back, they establish territories, make their nests, breed, and fledge their young.
      • One female initiated a second nest attempt 24 days after fledging young from her initial nest and successfully fledged a second brood.
      • Conserving their habitat could involve preserving a patch of scrub or delaying the cutting of a swathe of hay for a few days until a bird has fledged its young.
      • If all goes right at the nest site, it takes eight months to fledge a chick.
      • Although we may have missed a few birds that lost their eggs early, it is unlikely that we missed birds that fledged chicks.
      • All broods except one successfully fledged their young.
      • Furthermore, after recruitment larger females were more likely to successfully fledge offspring, providing a mechanism by which RSD is maintained in the population.
      • Males were sampled on average 4 days after they had fledged their nestlings.
      • During the years 2001 and 2002, from the 10 nests observed at the Savannas only one chick was successfully fledged and survived through its first year.
      • This finding supports the prediction of Kuletz, who suggested that adults that deliver mostly low-lipid fishes are less likely to fledge a second chick.
      • In Area 1, one chick was fledged successfully in four nest attempts.
      • A successful nest fledged at least one young (fledging defined as leaving the nest).
      • It is possible that those birds renested >10 km from previous nests and eventually fledged young.
      • Breeding couples are generally able to successfully fledge a chick only once in nine years.

Origin

Mid 16th century: from the obsolete adjective fledge ‘ready to fly’, from Old English, of Germanic origin; related to Dutch vlug ‘quick, agile’, also to fly.

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更新时间:2025/1/30 21:35:21