| 释义 |
Definition of altricial in English: altricialadjective əlˈtrɪʃ(ə)lalˈtriSHəl Zoology 1(of a young bird or other animal) hatched or born in an undeveloped state and requiring care and feeding by the parents. Often contrasted with precocial
Also called nidicolous Example sentencesExamples - The altricial chicks are fed primarily insects, beetle larvae, grasshoppers, spiders and small lizards.
- Their altricial cubs are born in mid-winter, with their eyes closed, and weighing only about 0.6 kg.
- In addition, the amount of food altricial nestlings receive from their parents varies depending on how much food is in the environment.
- The altricial young are fed semi-digested fish by both parents.
- After hatching, the altricial nestlings are brooded for 1 to 2 weeks depending on the weather.
- 1.1 (of a particular species) having altricial young.
Example sentencesExamples - In altricial bird species, parents need to provide their growing nestlings with food to prevent starvation, ensure proper development, and minimize any negative effects of a poor start in life.
- Moreover, chicks of precocial species generally require less parental care than those of altricial species.
- In altricial birds the chicks depend entirely on their parents for food and protection.
- In altricial species, the parents of hungry nestlings may be helped in feeding and guarding their young by other adult birds who have not bred that year.
- The brown pelican produces a relatively large chick at a relatively high cost compared to other, smaller altricial species.
Origin Late 19th century: from Latin altrix, altric-, feminine of altor 'nourisher', from alere 'nourish'. Definition of altricial in US English: altricialadjectivealˈtriSHəl Zoology 1(of a young bird or other animal) hatched or born in an undeveloped state and requiring care and feeding by the parents. Also called nidicolous
Often contrasted with precocial Example sentencesExamples - The altricial young are fed semi-digested fish by both parents.
- After hatching, the altricial nestlings are brooded for 1 to 2 weeks depending on the weather.
- In addition, the amount of food altricial nestlings receive from their parents varies depending on how much food is in the environment.
- Their altricial cubs are born in mid-winter, with their eyes closed, and weighing only about 0.6 kg.
- The altricial chicks are fed primarily insects, beetle larvae, grasshoppers, spiders and small lizards.
- 1.1 (of a particular species) having altricial young.
Example sentencesExamples - Moreover, chicks of precocial species generally require less parental care than those of altricial species.
- In altricial birds the chicks depend entirely on their parents for food and protection.
- In altricial bird species, parents need to provide their growing nestlings with food to prevent starvation, ensure proper development, and minimize any negative effects of a poor start in life.
- In altricial species, the parents of hungry nestlings may be helped in feeding and guarding their young by other adult birds who have not bred that year.
- The brown pelican produces a relatively large chick at a relatively high cost compared to other, smaller altricial species.
Origin Late 19th century: from Latin altrix, altric-, feminine of altor ‘nourisher’, from alere ‘nourish’. |