Both sexes incubate the eggs, with the female incubating at night. Both sexes incubate by day, but only the female incubates at night. Both parents incubate the eggs and raise the nestlings. After they lay their eggs, females typically incubate them until they hatch. Both sexes incubate and feed eggs. Males tend to incubate the eggs diurnally and females, mostly nocturnally. Females typically incubate 3 to 5 eggs. After laying eggs, both birds incubate the eggs. Fish generally do not incubate their eggs. Not all burrow-nesting species incubate their young directly. The male more often captures food but will also incubate and brood occasionally. Both parents incubate the eggs, feed the chicks and keep the nest clean. Both parents incubate eggs and feed the young. Both sexes incubate the eggs for at least 30 days. Both parents incubate the eggs and feed the chicks.