Perth Zoo funds raised have been used for the conservation of Sumatran orangutan, Sumatran tiger, Sumatran elephant, African painted dog, sun bears, tree kangaroos, Javan gibbons and Australian native species. More than $881,000 has been raised since the program began. Working with the Department of Environment and Conservation, Perth Zoo breeds threatened Western Australian animal species for release into managed areas of habitat in the wild as part of its Native Species Breeding Program. As of 2011, Perth Zoo breeds numbats, western swamp tortoises, dibblers, woylies and threatened Western Australian frog species. The numbat ("Myrmecobius fasciatus") Western Australia's mammal emblem and one
Twycross Zoo all four types of great ape: gorilla, orangutan, chimpanzee and bonobo, the latter being the only bonobos in the country. The zoo currently houses four orangutans, five gorillas, 20 chimpanzees and 13 bonobos. Twycross Zoo has one of the largest collections of gibbons in Europe, and 37% of their animal collection is classed as near threatened, vulnerable, endangered or critically endangered by the IUCN. Many of the animals at Twycross Zoo are part of conservation breeding programmes which help ensure a future for species threatened with extinction. The animal exhibits at Twycross Zoo are split into eight zones: Conservation Way