1. Penguins are birds that cannot fly but are excellent swimmers.
2. The largest species of penguin is the Emperor Penguin, standing around 3.7 feet tall.
3. Penguins have a gland located near their tails that helps them remove excess salt from their bodies.
4. Some penguin species can dive to depths of over 500 meters in search of food.
5. Penguins communicate with each other through vocal calls, body language, and displays.
