Life Cycle of a Kiwi Curriculum Kiwi eggs take a long time to hatch. Usually between 65 and 85 days of incubation are required. This is a long period of incubation and the brown kiwi male, who usually incubates the egg, must be patient. Hatching can take 3 to 4 days. Kiwi chicks have no egg tooth so can't chip away at the eggshell like other birds do.
Hatching begins with the chick breaking through the air cell in the egg.
At this point the chick can often be heard calling. The beak appears first A small crack appears in the eggshell and the chicks beak emerges. This is when the chick first breathes. Pecking and kicking . After much struggling the chick pecks and kicks its way out of the shell.