<p>A swamp wallaby that grabbed international headlines</a> after being filmed bounding down Sydney Harbour Bridge was released back into the wild by zoo keepers on January 25.</p><p>On January 16, the marsupial was picked up by police and taken into the care of veterinarians at Taronga Zoo. The aptly named Sydney was suffering from capture myopathy, a complication caused by the stress and exertion of his capture, according to a zoo spokesperson. Despite various theories from how he ended up in an urban centre, police and vets were not certain where he came from.</p><p>Despite the ongoing mystery of his origins, Sydney made a quick recovery and was released at Ku-ring-gai Chase National Park, about 25 kilometres north from where he was found. Credit: Taronga Zoo via Storyful</p><br />
