You keep an egg warm without breaking it by putting it under a lamp that has about the temperature that the egg needs and with that nothing will creak not even it's shell, thank you.
The pigeon sits on the egg to keep it warm and protected from prey.
Keep it in a nest box with a lamp made for fowl-egg hatching.
to keep the egg warm, and to protect it.
To cover a boiled egg on an egg stand to keep it warm.
in a blanket
they sit on it
yes you can if you keep it warm and in a shoe box with blankets to keep it warm
An incubator.
Keep it warm and act like your the mother of the thing that is in the egg.
he sits on it to keep it warm A: The father penguin uses his beak to roll the egg onto the top of his feet. He then rests his body down over it to keep it warm.
keep it warm and safe I guess
The best person to look after a goose egg is a goose. Call a wildlife rehabilitator to take the egg to a proper incubator. Keep the egg as warm as possible, but a towel wrapped around it several times and keep under a warm light.