Cygnet Island is a small islet, with an area of <0.5 ha, in south-eastern Australia. It is part of the Waterhouse Island Group, lying close to the north-eastern coast of Tasmania.[1]
Recorded breeding seabird and wader species are Pacific Gull, Sooty Oystercatcher and Black-faced Cormorant.[1]
Other islands in the Waterhouse Group with breeding seabirds include:[1]