
In biology, the term precocial refers to species in which the young are relatively mature and mobile from the moment of birth or hatching. The opposite developmental strategy is called `altricial` where the young are born or hatched helpless. Extremely precocial species may be called `superprecocial`. These three categories form a continuum, w...
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http://en.wikipedia.org/wiki/Precocial

being born in a relatively advanced state of development and some what capable of being independent shortly after birth. An example would be hares as compared to rabbits.
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http://imnh.isu.edu/digitalatlas/bio/glsry.htm

Birds that are able to walk and feed themselves upon birth such as a piping plover.
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http://www.conservewildlifenj.org/glossary/

creatures that are born ready to go as opposed to Altricial creatures, and can pretty much fend for themselves. Many prey are precocial, as they need to be able to run from predators as soon as they are born, for example Zebra.
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http://www.encyclo.co.uk/local/21282

Baby birds that are born with the ability to, within some number of hours, move on their own and feed themselves. Most shorebirds and grouse/quail are precocial young. While there are many variations of both altricial and precocial, in general precocial young leave the nest when they are born and altricial young stay in the nest and are fed and kep...
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http://www.encyclo.co.uk/local/22214

Young that are born or hatched fully able to care for themselves. Baby chickens are precocial.
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http://www.encyclo.co.uk/local/22217

Young hatched sighted and down-covered, e.g. ducklings.
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http://www.encyclo.co.uk/local/22219

young that are born or hatched with some downy feathers and are mobile and able to flee or defend themselves from predators; opposite of altricial, describing young that need time to mature before leaving the nest.
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http://www.encyclo.co.uk/local/22220

chicks that (e.g., ducklings) have their eyes open at hatching, are covered with down, and leave the nest very soon after hatching to find food for themselves. Opposite of altricial.
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http://www.sialis.org/glossary.htm

[
adj] - (of hatchlings) covered with down and having eyes open
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http://www.webdictionary.co.uk/definition.php?query=precocial

precocial Born or hatched in a condition requiring relatively little parental care, as by having hair or feathers, open eyes, and the ability to move around. Water birds, reptiles, and herd animals usually have precocial young.
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http://www.wordinfo.info/words/index/info/view_unit/3894/

Describes young birds that hatch in a relatively developed state—downy and with their eyes open. Many are soon able to walk or swim and even eat on their own.
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https://academy.allaboutbirds.org/bird-academys-a-to-z-glossary-of-bird-ter

Young hatched sighted and downcovered, e.g. ducklings
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https://birds.iitk.ac.in/glossary?page=171

Young are capable of a high degree of independent activity immediately after hatching. Precocial young typically can move about, have their eyes open and will be covered in down at hatching. They are generally able to walk away from the nest as soon as they have dried off.
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https://nestwatch.org/learn/general-bird-nest-info/words-about-birds/

Capable of independent living at birth.
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https://ruffnermountain.org/glossary/

Describes young birds hatched with eyes open, down-covered feathers, and have the ability to leave their nest in a couple to a few days.
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https://www.birds-of-north-america.net/Bird_Terminology.html
adjective (of hatchlings) covered with down and having eyes open; capable of leaving the nest within a few days
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https://www.encyclo.co.uk/local/20974

Describes young bird that is active from hatching and leaves nest soon afterwards (see Altricial).
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https://www.encyclo.co.uk/local/22222

(of an animal species) active and able to move freely from birth or hatching and requiring little parental care (opposed to altricial).
Found on
https://www.infoplease.com/dictionary/precocial
No exact match found.