Despite being a dense, bustling metropolis, Chennai harbors significant green lungs and unique urban wildlife.
* **Guindy National Park**: An incredibly rare national park situated entirely within city limits, protecting the endangered blackbuck, spotted deer, and diverse bird species. * **Arignar Anna Zoological Park**: Located in the southern suburb of Vandalur, it is the largest zoological garden in India by area. * **Theosophical Society Gardens**: A sprawling, forested estate featuring a massive, 450-year-old banyan tree. * **Semmozhi Poonga**: A botanical garden located in the heart of the city, offering beautifully landscaped exotic and native flora.