<human>:  Can you tell me some interesting facts about penguins?
<bot>: Penguins are a fascinating species found mainly in the Southern Hemisphere. They have wings but they are not used for flight; they are used as flippers to help them swim. Penguins have an improved metabolic rates which helps them stay warm in cold climates. They also huddle together to keep warm, similarly to sheep. Penguins rely heavily on their sense of smell, to help them navigate and find food in the deep sea. Penguins have the ability to drink seawater, thanks to a special gland that filters out the salt. Lastly, the Emperor Penguin can dive over 1,800 feet deep in search of food.