If it's ventilated, you really don't need to heat it as long as they are properly protected from the elements.
Birds are cold blooded so they don't need to be heated like mammals.
Now if you want them to keep laying through the winter, you will probably need a light source.
Birds are cold blooded so they don't need to be heated like mammals.
Now if you want them to keep laying through the winter, you will probably need a light source.