Just like mammals, the bird family is warm-blooded. This means they have the ability to maintain constant body temperature and can generate heat internally. Birds can survive extreme weather conditions that cold-blooded animals cannot. They can withstand cold environments, all thanks to their ability to be warm blooded and the various mechanisms in their bodies that make them adapt to various weather conditions.
As a warm-blooded animal, the bird family is not affected by environmental changes. This has little or no effect on their metabolic rates. One advantage the bird enjoys from being warmblooded is the fact that it’s immune system becomes much stronger and defends it against microorganisms that might affect it.

Birds don’t need the sun to control their body temperature.they can achieve this on their own unlike cold blooded animals who depend heavily on the sun and water intake for this. As earlier stated, warm-blooded animals tend to generate heat from inside, and birds being warmly blooded adapt to cold weather by generating internal heat for body regulation during cold.
According to various researches, many fungi cannot withstand warm blooded animals because of their body temperature. Many microorganisms can’t survive the heat generated by warm-blooded animals internally. That being said, the birds are warm-blooded, and this applies to them. Many times being warm-blooded is not enough to protect warm blooded animals against extreme weather conditions like cold and winter.