On How Penguins And Pigeons Are Different

1. Pigeons fly in the air, penguins "fly" in the water
2. Both male and female pigeons lactate, penguins don't
3. Penguins eat fish, pigeons don't
4. Pigeons hear really really well, penguins just hear really well
5. All penguins live in the Southern Hemisphere, pigeons live in all parts of the world