Savannas, scrublands and grasslands, which take up the majority of Sudan’s surface area, comprise a distinct ecosystem. The Sudanese savanna is characterized by acacia trees, with a variety of shrubs, herbs and grasses growing underneath. The savanna supports several particularly impressive animals, including the giant eland, a species of antelope that stands 6 feet tall and weighs over 2 tons. The trees of the savanna provide a home for wild birds, such as the Reichenow’s firefinch and the niam-niam parrot, both unique to the area.