The Dornod Mongol Biosphere Reserve or the Mongol Daguur Strictly Protected Area, uninhabited by humans, extends for over 200 km along the Chinese border. It boasts 226 species of birds, including the endangered whooper swan, relict gull, mandarin duck, and great bustard. The protected area is home to 36 mammals, including roe deer, Mongolian gazelle, red fox, raccoon, and wolf. Established in part to protect the habitat for the Mongolian white-tailed gazelle (Procapra guttarosa) the area covers a representative part of the last great plain ecosystems where herds between 300,000 to 1 million Mongolian white-tailed gazelle roam the steppes. The Menen steppe extends for more than 250 km enticing the traveler with beautiful sunsets and sea of grass as far as the eye can see.