in nidifugous animals, it expands from 1.5 to 2.5 times.

Relation to precociality and altriciality

Two other terms are also used by scientists for related developmental phenomena: altricial (relatively undeveloped at birth or hatching; helpless, blind, without feathers or hair, and unable to fend for themselves) and precocial (relatively developed at birth or hatching; able to fend for themselves).

The term nidifugous is sometimes used synonymously

1.Previous
3.Next