When birds lay eggs they usually sit on them and keep them warm. Just like when a human is pregnant, our baby stays warm inside our body. If we freeze to death outside, our baby would die. If the eggs aren't kept at the temperature of the parents they wont be warm enough and they baby birds will not grow inside.
All birds have to incubate their eggs, keeping them at a certain temp and turning them so the chicks won't stick to the inside of the eggs. Some birds cover their eggs to keep them warm when they are away, but most just use their own body heat
Most birds will make a nest in which they lay their eggs.They will then use their own body heat and 'sit' on the eggs to incubate them.Some birds don't make a nest, a penguin for example will hold a single egg on top of it's feet, then cover the egg with it's belly to keep it warm.
Birds Sit on their eggs to keep them warm, and to hide and protect them from predetors.
Most birds lay on their eggs to keep them warm and safe.
Birds incubating their eggs means that they are sitting on top of the eggs to keep them warm until they hatch. The heat from the parent's body helps in the development of the embryos inside the eggs. This process is essential for the survival of the offspring.
so that their baby's will develop properly , if your told its to keep them warm its wrong , ( birds sit on the eggs to keep them warm).
Penguins and Birds both have beaks and lay eggs they also keep their eggs warm by there fethers
Maybe she's so big that she doesn't want to feed them...
To keep both sides warm!
Birds exhibit nesting behavior by sitting on their eggs to keep them warm. This helps in maintaining a consistent temperature for the eggs, which prevents them from cooling too quickly.
The bird sits on the eggs and by using heat to keep them warm until they hatch
to use for a home for the eggs and to keep away from predators