Namibia Kalahari Desert, an arid region that extends into South Africa and Botswana, is one of Namibia's well-known geographical features. The Kalahari, while popularly known as a desert, has a variety of localised environments, including some verdant and technically non-desert areas. The Succulent Karoo is home to over 5,000 species of plants, nearly half of them endemic; approximately 10 percent of the world's succulents are found in the Karoo. The reason behind this high productivity and endemism may be the relatively stable nature of precipitation. Namibia's Coastal Desert is one of the oldest deserts in the world. Its sand dunes, created
High Desert (Oregon) black-tailed jackrabbit, and cougar. Birds common in the region include sage-grouse, California quail, and prairie falcon. The western juniper is the most common tree in the region, and big sagebrush and common woolly sunflower are the region's most widespread plants. The high desert of Oregon is located in the central and southeastern part of the state. It covers approximately , extending approximately from central Oregon east to the Idaho border and from central Oregon south to the Nevada border. Most of the region is located in Crook, Deschutes, Harney, Lake, and Malheur counties. The high desert is named as such