Females lay from one to four eggs, and both parents incubate them for 40 to 45 days.

Both parents incubate a clutch of between three and five eggs.

Both parents incubate, but the female does most of the work.

Both parents incubate the eggs, which hatch after 28 to 41 days.

Both parents incubate for about 4 weeks to one month.

Both parents incubate three to five eggs for 12 to 16 days.

Both parents incubate the eggs for about 16 to 17 days.

Both parents incubate and care for dependent young, who feed themselves.

Both parents will incubate the egg, and rear the young.

Both parents incubate, and the young hatch after 30 to 40 days.