precocial

Hatched or born with the eyes open, a covering of down or hair, and the ability to search for food. Used of birds and mammals.

Of or pertaining to the Præcoces; having the characters of the Præcoces: opposed to altricial.

hatched from the egg already covered in down and with eyes open; capable of leaving the nest within a few days

(of hatchlings) covered with down and having eyes open; capable of leaving the nest within a few days