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Playing Possum.... camera-shy Pickles.When you're out of your tree, or off your perch, it's good to know someone cares.Mikla Lewis and Valerie Thurlow care... they care about injured echidnas... possums in pain... and any other native animal found ailing in Sydney's suburbs.The two North Shore women have founded Wires - Wildlife Information and Rescue Service - relying solely on volunteer workers.It's the native animal equivalent of the RSPCA, which caters more for domestic animals, and is fully backed by the National Parks and Wildlife Service. April 30, 1986. (Photo by Jacqueline Haynes-Smart/Fairfax Media via Getty Images).