Mindanao is the southernmost island of the Philippines, and the second largest island in the country. It is the only island in the Philippines that is divided into three island groups: the northern, central, and southern island groups. The island is home to a wide variety of cultures and languages, the most prominent of which are the Cebuano, Tagalog, and Maranao. The island is also home to the Lumad, a group of indigenous people who have lived in the island for centuries. The island is known for its natural beauty, with its lush rainforests and white-sand beaches. The island is also home to a variety of animals, including the Philippine eagle, the world's largest eagle.