No, penguins are birds and hence, they are warm blooded.
Since most of the penguin species live in really cold places like Antarctica, they need to be warm blooded as being warm blooded, they can tolerate the cold weather by keeping their body temperature constant. Supposing that they were cold blooded, their body temperature would dive down as the temperature reaches sub zero and they would not have been able to survive that.
Penguins are able to tolerate the cold because of the thick layer of feathers that insulates their bodies and because they can control blood flow to body extremities so that much of the blood is not chilled by flowing through extremities and yet the extremities do not become too cold either. Their style of movement also conserves energy which they can then use to keep themselves warm.
Since most of the penguin species live in really cold places like Antarctica, they need to be warm blooded as being warm blooded, they can tolerate the cold weather by keeping their body temperature constant. Supposing that they were cold blooded, their body temperature would dive down as the temperature reaches sub zero and they would not have been able to survive that.
Penguins are able to tolerate the cold because of the thick layer of feathers that insulates their bodies and because they can control blood flow to body extremities so that much of the blood is not chilled by flowing through extremities and yet the extremities do not become too cold either. Their style of movement also conserves energy which they can then use to keep themselves warm.
