1 day
No, swallows do not sit on their eggs constantly. They typically take turns incubating the eggs, with one parent sitting on the nest while the other forages for food. This shared responsibility helps ensure that the eggs are kept warm while allowing both birds to maintain their energy levels. Incubation usually lasts about two weeks before the eggs hatch.
10000 hours
for 21 or 22 days.
The female kakapo incubates her eggs for around 30 days.
Chipmunks do not lay eggs, they are mammals and give birth to live young.
approcimatly 21 days
ostrich can sit very long time in her eggs. sometimes ostrich sit on her eggs until it hatch.
Tortoise do not sit on their eggs (they are not warm blooded so they can not warm them), they bury them in a nest made in a warm moist place and they hatch naturally.
Geese do not get pregant. They lay eggs and sit on a nest.
until the egg is ready to hatch. : p
Yes. She believes all the eggs are fertile. Ducks have been known to sit on objects similar to eggs such as golf balls.
Peahens do not become pregnant, they lay and sit on eggs.