Big Green Island is an island with an area of 122 ha, in south-eastern Australia. It is part of Tasmania’s Big Green Island Group, lying in eastern Bass Strait west of Flinders in the Furneaux Group. It is composed of granite with limestone and dolerite outcrops. It is partly a nature reserve with the rest being used for farming.[1] The island is also part of the Chalky, Big Green and Badger Island Groups Important Bird Area.[2]
Recorded breeding seabird and wader species are Little Penguin, Short-tailed Shearwater, Pacific Gull, Silver Gull, Sooty Oystercatcher, Pied Oystercatcher, Black-faced Cormorant and Caspian Tern. Cape Barren Geese also breed on the island. Reptiles present include the Metallic Skink and Bougainville's Skink. Rats are common.[1]