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Penguins lay eggs, but they are not mammals. They are birds. The only two egg-laying mammals in existence are the platypusand the echidna, which are classed as monotremes.They are still classified as mammals because they feed their young on mothers' milk - a characteristic unique to mammals alone.

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Q: Do penguins lay eggs and are they mammals?
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Related questions

Are penguins mammles?

No penguins are not mammals. They lay eggs.


Are penquins mammals?

Penguins are not mammals, but they are birds. Penguins lay eggs, they do not have fur and they do not nurse their young as mammals do.


Why penguins are not mammals?

Penguins are not mammals because they lay eggs, are warm blooded, the babys don't drink milk and they have feathers not fur.


Are penguins reptiles or mammals?

penguins are neither mammals or reptiles. penguins lay eggs.


Are Adelie penguins mammals?

No they are not mammals, they are actually birds. Because they lay eggs and are cold-bloded.


If platypuses are the only mammals to lay eggs how can penguins lay eggs?

Penguins are not mammals. They are referred to as flightless birds. Therefore, they are egg laying. It is also not true that platypuses are the only mammals to lay eggs. Echidnas (both the short beaked and the long beaked variety), like platypuses, are also monotremes, i.e. egg-laying mammals.


Are penuins Mammals?

NO! They are birds! Mammals give birth to live babies. Penguins lay eggs. Mammals are warm blooded. Penguins are cold blooded (bird).


Which group does penguin belong birds or mammals?

birds. penguins arent mammals bcuz they lay eggs and mammals dont.


Are penguin a bird or a mammal?

Mammals are warm blooded, bear live young, nurse their young, and have hair (of some sort ) at least at some time in their lives. Penguins are animals, BUT not mammals. They are birds, although they swim rather than fly. Birds have feathers (although the penguins' are furry-like in feel) and lay eggs. Like mammals, birds have a backbone and are warm-blooded. Some mammals do lay eggs, like the Platypus, or the spiny echidna. But most bear live young.


Why are penguins called the arctic mammal if there not mammals?

because their not have furr hair their lay eggs


Does the walrus lay eggs?

No, it is a mammal that does not lay eggs.


Why are penguins mammals and not a fish?

They are not mammals. They are actually birds because they lay eggs and have feathers, wings, and the bone structure of birds.