Are Penguins A Type Of Fish?
Are Penguins A Type Of Fish? BIRDS OR FISH? Penguins belong to a group of birds that cannot fly; their wings are adapted for swimming. For this reason, people used to think of them as fish. All penguins belong to the same family: Spheniscidae. Are penguins mammals or fish? Penguins, or Sphenisciformes, are not mammals,