Physiological References


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​Monarto Zoo, Australia
The Black-Flanked Rock-Wallaby or warru is a small wallaby considered to be South Australia’s most endangered mammal. There are only two wild populations in South Australia, with less than 200 individuals remaining.

Once widespread through the ranges of South Australia, warru are now restricted to the Anangu Pitjantjatjara Yankunytjatjara Lands (APY lands) in the north-west of the state. It is thought predation by foxes and feral cats is the primary cause behind the drastic decline in wallaby numbers.

Monarto Zoo, the world’s largest open range zoo, has partnered with the South Australian Department for Environment and Heritage (DEH) and Anangu Pitjantjatjara Yankunytjatjara Land Management (APY LM) to prevent the extinction of warru in this region.

A population of warrus have been specially bred at Monarto Zoo as part of a reintroduction program, with staff able to identify appropriate animals for release based on genetic information stored in the ISIS system.

Due to the small genetic population, Keepers, Veterinarians and Conservation Staff are able to evaluate which animals are recommended breeding partners based on ISIS data.

The ISIS system is vital to the program as it allows Monarto Zoo staff access to historical and current data on each individual. Monarto Zoo’s warru conservation program relies entirely on accurate animal information to ensure its success.


The Zoological
Society of London;
Bristol, Clifton & West of England
Zoological Society
and Vienna Zoo
are working together to safeguard Potosi pupfish through a conservation breeding program, managed through the British and Irish Association of Zoos and Aquariums.

Potosi pupfish (Cyprinodon alvarezi) were native to North America and Mexico where they lived in freshwater. They are now classed as ‘extinct in the wild’ according to the IUCN Red List of threatened species.

Extinction of the Potosí pupfish may have been caused by the demise of their natural habitats - clear springs, ponds and ditches with dense vegetation and green algae. These institutions hope that numbers will be boosted in captivity through coordinated breeding. 


​The ISIS database is helpful when investigating which institutions keep such species and I recently did a search to find out who was keeping any of the Cyprinodon species outside of Europe and to see how many individuals were being held.”
Brian Zimmerman,
Curator of Aquarium, 
Zoological Society of London


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