Altricial
Altricial, meaning "requiring care", refers to a kind of creature that can't take care of itself for a long time after hatching or being born. The word comes from the Latin root alere meaning "to nurse, to rear, or to nourish", because altricial animals are born helpless and need adult animals to take care of them for a long time before they are old enough to be independent.[1]
Birds or mammals which need much less care after birth are called precocial, meaning they are independent soon after they hatch or are born.
References
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Altricial Media
A diagram of altricial and precocial bird species
California quail chick (Callipepla californica), a precocial chick
A human infant, the best-known altricial young amongst most humans
Ehrlich, Paul (1988). The Birder's Handbook. New York: Simon & Schuster. ISBN 0-671-65989-8.
