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altricial

Line breaks: al|tri¦cial
Pronunciation: /əlˈtrɪʃ(ə)l
 
/

Definition of altricial in English:

adjective

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 sentences
  • The altricial chicks are fed primarily insects, beetle larvae, grasshoppers, spiders and small lizards.
  • After hatching, the altricial nestlings are brooded for 1 to 2 weeks depending on the weather.
  • Their altricial cubs are born in mid-winter, with their eyes closed, and weighing only about 0.6 kg.
1.1(Of a particular species) having altricial young.
Example sentences
  • 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.
  • Moreover, chicks of precocial species generally require less parental care than those of altricial species.

Origin

late 19th century: from Latin altrix, altric-, feminine of altor 'nourisher', from alere 'nourish'.

Definition of altricial in:

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