Why are penguins considered birds?

Penguins can't fly and we typically associate birds with soaring through the air – which begs the question: are penguins really birds? ... However, penguins are classified as birds (Aves) in zoological terms. They are black and ... In common with other birds, penguins have feathers, lay eggs, and arewarm-blooded. read more

It isn’t cold blooded, have gills or scales, so we can take a fish off the list. It isn’t a reptile, they are cold blooded. It isn’t a mammal, they don’t have beaks or lay eggs, except for the platypus, but it doesn’t have wings. So a penguin is a bird. Nothing else. read more

Penguins are not mammals, even though they are warm-blooded animals.Penguins are one of only a few species of flightless birds left in the world. read more

Penguins have all the characteristics of birds - they are warm-blooded, feathered, have beaks, have wings, and reproduce by egg-laying. You can establish that a penguin is a bird through a process of elimination, if you wish. read more