Located at Tambon Bang Phra, the open zoo operated by the Dusit Zoo Authority (Khao Din Wana) in Bangkok, covers a vast area of around 3,000 rai and has a large number of animals such as deer, bulls monkeys, gibbons, hippopotami, bears, kangaroos, elephants and peacocks etc. Visitors can stroll around the grounds and observe the animals closely. There is also a large aviary with hundreds of varieties of birds covering an area of around 5 rai that visitors can also enter for close viewing.