Penguins are birds; they lay eggs.
mammal, reptile, birds, amphibians, and fish
Penguins are not amphibians; nor have they ever been amphibians. Penguins are birds which happen to feed underwater.
Penguins are flightless birds
Penguins are birds.
Penguins are birds.
The Emperor penguin is not a mammal, it is like all other birds and penguins.
Neither. Turtles are (aquatic) reptiles and penguins are (aquatic) flightless birds.
birds are a whole class in themselves. birds reptiles mammals amphibians fish
No. All penguins are birds.
Penguins are not mammals . They are actually birds. Probably in the birds section.
penguins are not reptiles but they are not mammals either, they are birds.
Birds are... birds. I think there are 4 categories. Mammals, Amphibians, Reptiles, Birds.