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Zoo in Australia

The zoo houses 2,500 animals comprising 250 native and exotic species. The zoo's most recent enclosures are in the second phase of the South East Asia exhibit, known as Immersion, providing visitors with the experience of walking through the jungle, with Sumatran tigers and Sumatran orangutans seemingly within reach. Five buildings within the zoo have been listed as state heritage places on the South Australian Heritage Register, including the front entrance on Frome Road and the former Elephant House. The zoo is also a botanical garden and the grounds contain significant exotic and native flora, including a Moreton Bay fig planted in 1877. The giant panda exhibit, which opened in December 2009, is home to two giant pandas, Wang Wang and Funi, which will remain at the zoo until at least 2024.

Adelaide Zoo opened on 23 May 1883, occupying (now ) of land granted by the government. It was founded by the South Australian Acclimatization and Zoological Society. The society later became the Royal Zoological Society of South Australia after a royal charter was granted by King George VI in 1937. The first director of the zoo, from 1882 to 1893, was R. E. Minchin. He was succeeded by his son A. C. Minchin from 1893 to 1934, and grandson R. R. L. Minchin from 1935 to 1940. Another grandson, Alfred Keith Minchin ran the private Koala Farm in the North Parklands from 1936 to 1960. The surplus koalas were set free on Kangaroo Island. In the mid twentieth century the zoo was involved in the export of live birds, with 99% of Australia's exports of live native birds, mainly finches and parrots for aviculture, passing through either Adelaide or Taronga (Sydney). At a time when the need for conservation of Australia's native birds, and control of their trade was becoming increasingly apparent, South Australia lagged behind other states in passing appropriate legislation. In 1963, the government launched an investigation into the zoo's improper record keeping of these birds. The new director of the zoo, William Gasking, was quickly dismissed through the power exerted by the Zoo Council president, Fred Basse, due to Gasking's attempts to address animal health and safety at the zoo. When Basse retired, the trade in birds dropped to one tenth of what it had been two years before. Since then, the zoo's administration has been restructured and the zoo has regained public credibility and scientific status. The modern zoo has moved away from the traditional housing of species separately in pairs. Now species are grouped together as they would be in the wild, in exhibits that are carefully planned according to region. Enclosures have been designed with the needs of the animals in mind, providing a more natural habitat, which also serves an educational purpose for visitors. Although some of the zoo's heritage listed enclosures, such as the Elephant House that was built in 1900, have been retained, they are no longer used to house animals. The Elephant House now has educational signs. The last elephant housed at the Adelaide Zoo, Samorn, was moved to Monarto in 1991, where she died three years later. The flamingo exhibit was opened in 1885, and is one of the few to have remained in the same position to date. Originally it was stocked with ten flamingos, most of which died during a drought in 1915. In 2014, one of two surviving greater flamingos in the exhibit, thought to be the oldest in the world at 83 years of age, died. The remaining Chilean flamingo at Adelaide zoo, the last flamingo in Australia, which arrived in 1948, was humanely euthanised on 6 April 2018. The nocturnal house opened in 1974. The reptile house opened in 1985 and was expanded in 1993. The giant panda exhibit and Bamboo Forest opened in 2009. This replaced the former "South America Section" and ungulate paddocks. The former great ape compound behind the administration building was demolished and replaced by an education centre and envirodome in 2008 2009. In 2010, the main entrance was relocated off Frome Road in place of the hoofed animal yards, which were demolished. The famous polychrome masonry and cast iron gates of the original entry, built in 1883 and restored in 1992, have been preserved. The zoo's restaurant is located in a brick building that was originally a monkey house. It was constructed in 1891, converted to a kiosk in 1936, and renovated in 1989.

The zoo has a particular focus on species from the Gondwana "supercontinent" which later broke up into South America, India, Africa, Australia and South East Asia. The botanic similarities between the regions are featured in the zoo's main exhibits, which include a South East Asian Rainforest, and Australian Rainforest Wetlands walk through aviary. The South East Asian precinct combines Malayan tapir and dusky leaf monkeys in a shared exhibit together. Other exhibits are immersed next to each other such as those for northern white cheeked gibbons and siamangs on neighbouring rainforest lake islands. The South East Asia Exhibit called Immersion was built in two parts. The first part was finished in 1995 which gave exhibits to animals such as siamangs and sun bears (the latter no longer held by the zoo). In late 2006 most of part two was finished which gave exhibits to Sumatran orangutans, siamangs and Sumatran tigers. There is also a large walk through aviary which takes visitors past the two gibbon islands towards the tiger enclosures. Adelaide Zoo has long been recognised for its impressive bird collection, but Australia's strict importation and quarantine laws make it unlikely that many exotic species will sustain genetically viable populations, a problem experienced by all zoos in the region. Importation of birds from overseas has been restricted in Australia since 1943, meaning additions to the exotic bird collection can only come from animals bred in the region or seized illegal imports, such as their hyacinth macaw specimen on exhibit. There are similar restrictions on acquiring many mammal species in Australia. The zoo also has a focus on educational programs. There is a selection of "get to know the zoo" type of tours, a large "children's zoo" area, and from April 2009, an educational area for secondary school students and their teachers. Schools can hire the facility and groups can sleep there, with a member from the zoo supervising. Also, a new educational area called the Envirodome opened in April 2009. Night walks, tours and animal research can be done. More information on the educational programs can be found on the zoo's web site. The education building in the northeast corner of the zoo replaced the old ape grottos.

In January 1902, a keeper was seriously mauled by a brown bear (a species no longer kept by the zoo), having inadequately secured the animal before entering the enclosure. The bear was shot by fellow keepers and the man rushed to hospital where he slowly recovered (but lost his right arm and suffered serious other permanent injuries, but lived for another ten and a half years). In September 1909, the Strand Magazine reported that a snake had swallowed a rug weighing almost , and which survived undamaged in the snake's stomach until disgorged almost a month later. The short article featured a photograph of the disgorged rug which was 5 feet (2 m) long. Contemporary (1894) accounts had the size of the rug, which was kept in the enclosure for the boa constrictor's comfort, at , and after disgorgement weighed , dried. In February 1920, a keeper was hosing the front of the polar bear enclosure (the species no longer kept by the zoo) when one of the bears reached through the bars and grabbed the hose pulling the keeper forward and mauling him, severing his arm above the elbow. A. C. Minchin, the zoo director, and other staff intervened and freed the man who was then rushed to the hospital where he died two days later from his injuries. In 1985, two men broke in and killed 64 animals. In 2005, a boy was impaled when he tried to jump the spiked fence with his friends at night. He did not survive. On Mother's Day 2009, the female orangutan, Karta, built an escape route out of plant material and tripped the hot wires with a stick. After a short while on the "outside" she dropped back into the exhibit with no harm done. On 12 August 2022, a newly arrived red panda, Ravi, escaped from its enclosure, before being located in a tree at the Botanic Park on 14 August. The red panda was tranquilised after keepers failed to entice it down with food. On 11 October 2022, it was reported that Zoos SA was investigating the deaths of seven female quokkas and two yellow footed rock wallabies during September. The cause of their deaths was believed to be plant toxicity.

The last captive Javan rhino was displayed at the Adelaide Zoo as an Indian rhinoceros due to the lack of knowledge about this species. It died in 1907. The last American beaver at the zoo died in July 2010 and was the last beaver to be held at any zoo (or anywhere) in Australia. Miss C, the last Hoffmann's two toed sloth in Australia and the oldest in the world died in June 2017 aged 43. Wang Wang and Funi are two giant pandas on loan to Adelaide Zoo in Australia, as part of a conservation program to protect endangered wildlife. Yiray the quokka, one of the Australia native threatened species at the Adelaide Zoo, gave birth to a baby in March 2022.