Nepal is home to 5,980 flowering plant species, 2% of the world's orchids, and 6% of rhododendron species. The country is home to over 250 species of flora and fauna, including 870 species of birds (roughly 8% of the world's total), 650 species of butterflies, and the world's largest moths and honeybees. The Chitwan National Park is a protected area for endangered and rare animals like Asia's one-horned rhinoceros and the Royal Bengal Tiger.