The water that makes Edgbaston possible has been travelling for a very long time. It rises from the Great Artesian Basin, a vast aquifer beneath much of inland Australia, surfacing here as artesian springs in country that otherwise bakes. Where it pools, it has created islands of permanent wetland in a sea of dry eucalypt woodland and rocky escarpment. The reserve sits in the upper catchment of Pelican Creek, which drains toward the Thomson River and ultimately into Lake Eyre, far to the south-west. Scientists rate this spring complex among the most important on the entire continent for biodiversity, one of the most significant artesian spring systems anywhere in the world. The springs are tiny, fragile and easily destroyed, which is precisely what makes them so precious.

Because each spring is a small, isolated world, life inside it has evolved in its own direction for thousands of years, the way creatures on remote islands do. The result is a roll call of the unique: at least thirty-five species whose entire population, or its stronghold, lives only here. Alongside the red-finned blue-eye swims the Edgbaston goby, itself critically endangered, found in just a handful of these clay-bottomed pools. There are around a dozen kinds of snail, a shrimp, a tiny crustacean, a flatworm, a spider and a dragonfly, each one a species the planet keeps in this single outback address and nowhere else. Conservationists call the springs "museums of evolution," living archives of how isolation shapes life, each pool a separate experiment running quietly in the desert.

The red-finned blue-eye was only discovered in 1990, and almost immediately its world began to shrink. The threat is a familiar one: Gambusia, the introduced mosquitofish, which invades the springs, harasses the tiny natives and out-competes them. In a few decades the number of springs holding blue-eyes fell from seven to three, with the mosquitofish blamed each time. Perhaps two to three thousand of the fish remain. So Bush Heritage and its scientists have fought back spring by spring, building barriers against the invader and even raising blue-eyes in captivity to release them into clean pools, an attempt to give one of the world's smallest and rarest freshwater fish a few more places to live. The species sits on the IUCN's list of the planet's most endangered, its fate riding on water no deeper than a footprint.

Edgbaston lies on the traditional country of Aboriginal people of the central Queensland uplands, and Bush Heritage works with Iningai and Bidjara Traditional Owners on its care. In 2024 that care was made lasting: Edgbaston became only the second Special Wildlife Reserve in Queensland, a status that locks in permanent protection from mining, logging and grazing across the property. Bidjara Traditional Owners welcomed the listing and plan cultural heritage surveys to deepen understanding of the land. It is a remarkable turn for a parcel of former grazing country, that its springs, once just stock water on a pastoral lease, are now recognised as one of the most precious places on the continent, safeguarded for as long as the water keeps rising from the deep.