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Location Australia, Tasmania
Central coordinates 146o 38.83' East  39o 28.30' South
IBA criteria A4ii
Area 154 ha
Altitude 0 - 335m
Year of IBA assessment 2008

BirdLife Australia



Summary The Curtis Island IBA supports more than 1% of the global population of Short-tailed Shearwater.

Site description Curtis Island is located north west of Flinders Island in the Bass Strait. Curtis Island is oriented south-west and is dominated by steep cliffs along the coastline. The 1.78m long ridge rises from north to south at a steady rate and is broken into two peaks. The northern peak is rounded and reaches 224.3m high while the southern peak reaches 335.3m high and is square-capped and vegetated. The soils are a mixture of granite gravels and bird-derived organic matter. Curtis Island is a significant island because of its soil type and species diversity (Brothers et al. 2001).

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Short-tailed Shearwater Ardenna tenuirostris resident  390,000 nests  A4ii  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Curtis Island Nature Reserve 149 protected area contained by site 149  

Habitats

IUCN habitat Habitat detail Extent (% of site)
Coastline Sea cliffs, rocky shores & rocky islets  major
Grassland Tussock grasslands  major
Shrubland Other shrublands  minor

Land ownership Owned by the Tasmanian State Government and managed by the Department of Primary Industries and Water.

Land use

Land-use Extent (% of site)
not utilised 100%
Notes: Nature Reserve

Other biodiversity Other animals present on Curtis Island include the Metallic Skink, Bougainvilles Skink, White's Skink and the White-lipped Whip Snake. No mammals were recorded. Other vegetation includes Disphyma crassifolium, Carpobrotus rossii and Stipa (Brothers et al. 2001).

Protection status Curtis Island Nature Reserve.

Access/Land-Owner requests Permission should be sought from DPIW before visiting this Nature Reserve.

Acknowledgements The nomination was prepared by Birds Australia and Rachael Alderman and Rosemary Gales of DPIW kindly commented on the nomination.

References Brothers, N., Pemberton, D., Pryor, H. & Halley, V. (2001) Tasmania's Offshore Islands: seabirds and other natural features. Tasmanian Museum and Art gallery: Hobart.

Skira, I.J., Brothers, N.P. & Pemberton, D. (1996) Distribution, abundance and conservation status of Short-tailed Shearwaters Puffinus tenuirostris in Tasmania, Australia. Marine Ornithology 24: 1-14.

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Curtis Island. Downloaded from http://www.birdlife.org on 02/10/2014

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