Arriving at the tidal wetlands of Mungalla Station on the coastline of northern Queensland, ornithologist Simon Kennedy from the not-for-profit BirdLife Australia is greeted by a welcome cacophony. “You start hearing honks and quacks and twitters and noises coming from there,” he says of the area’s diverse and thriving bird populations, “whereas it’s very quiet elsewhere.”
It wasn’t always this way. A decade or so ago, these saltwater wetlands—which cover around a quarter of the 880 hectares that make up Mungalla Station—were a mess of freshwater-sodden pastures, riddled with invasive weeds that were choking the land and waterways. The reason was an earth wall—known as a bund, built more than
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