Wybalenna Island comprises four round granite islands with a combined area of about 16 ha, in south-eastern Australia.
It is part of Tasmania’s Prime Seal Island Group, lying in eastern Bass Strait west of Flinders in the Furneaux Group.
The island is a conservation area.
[1] Recorded breeding seabird and wader species are little penguin, short-tailed shearwater, white-faced storm-petrel, Pacific gull, silver gull, sooty oystercatcher and black-faced cormorant.
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