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Location Australia, Western Australia
Central coordinates 124o 19.49' East  15o 3.76' South
IBA criteria A4ii
Area 3 ha
Altitude 0 - 20m
Year of IBA assessment 2009

BirdLife Australia

Summary This small unprotected island regularly supports more than 1% of the world population of Brown Boobies. It is State land which should be reserved for nature conservation.

Site description Booby Island is located in Bonaparte Archipelago, Kimberley, Western Australia. It is a 4 ha low islet of bare basalt rock, but guano makes it appear white, and the island was formerly known as White Island. The nearest Brown Booby nesting colony is on Adele Island, 140 km WSW. Annual average rainfall ca 1200 mm.

Key Biodiversity About 500 pairs Crested Tern nest here.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Brown Booby Sula leucogaster resident  1986-2003  1,000-2,000 breeding pairs  good  A4ii  Least Concern 

IBA Monitoring

2008 low not assessed not assessed
Good - based on reliable and complete / representative data

No known threats no known threats happening now small area/few individuals (<10%) no or imperceptible deterioration low


IUCN habitat Habitat detail Extent (% of site)
Coastline Sea cliffs, rocky shores & rocky islets  100%

Land ownership The island is unallocated Crown land with the management the responsibility of the WA Dept of Environment & Conservation.

Land use

Land-use Extent (% of site)
not utilised 100%

Protection status None

Access/Land-Owner requests Permission to visit should be sought from DEC.

Acknowledgements The nomination was prepared by Andrew Burbidge in consultation with DEC.

References Coate, K.H. (2004). Seabird Islands. No. 248: Booby Island, Kimberley Region, Western Australia. Corella 28: 110-111.

DEC Seabird Breeding Islands Database.

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Booby Island (Kimberley). Downloaded from on 21/10/2016

To provide new information to update this factsheet or to correct any errors, please email BirdLife