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Bare Sand Island (Ngulbitjlk) Turtle Research

 

Since 1989, AusTurtle researchers have been dedicated to studying the small but significant nesting population of Flatback and Olive Ridley sea turtles on Bare Sand Island. In 1996, we began hosting annual camps for researchers and volunteers to gather crucial data on the ecology and biology of these remarkable creatures. With over 25 years of data, we’ve been able to make robust estimates of population size and observe important trends, underscoring the project’s vital role in local sea turtle conservation.

This project was initiated and continues to be led by Dr. Michael Guinea, an Honorary Fellow of Charles Darwin University and President of AusTurtle Inc. Thanks to the tireless efforts of AusTurtle Inc. members and volunteers, our research provides invaluable insights into the lives of sea turtles, their interactions with other species, and their relationship with Bare Sand Island.

Our research activities take place at Bare Sand Island throughout the night and early in the morning. The volunteer program involves camping on a remote island for 1 week, undertaking beach patrols to check for tracks, tagging and measuring adult females, and counting and measuring eggs. 

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Location

Nestled on the north coast of Australia, Bare Sand Island (BSI) is a hidden gem approximately 15 km off the mainland and about 50 km west of Darwin as the crow flies. This remote island lies within the Kenbi land trust, and we respectfully acknowledge the Kenbi People and the descendants of Tommy Lyons as the Traditional Owners and custodians of the land and sea of which we work upon. Part of a chain of islands north of Fog Bay, BSI is bordered by the Timor Sea to the west and Bynoe Harbour to the east, with Quail Island and Djajalbit as its nearest neighbours.

 

BSI is characterized by its low sand dunes, sparsely covered with grasses and herbs. The island’s single tree, located at a culturally significant site for the Kenbi People, offers a unique landmark. With a circumference of 1.8 km, the island is perfect for a leisurely 40-minute walk around its perimeter.

The region experiences significant tidal movements, with tides reaching up to 8 meters, creating strong currents around BSI. Occasionally, strong winds can make camping on the exposed island challenging as sands become windblown. The camp is truly isolated, with the nearest dwelling on Dum in Mirrie Island, 12 km to the south, where the Australian Bureau of Meteorology maintains an automated weather station. The closest settlement is Dundee Beach, approximately 22 km south of BSI.

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Volunteering on Bare Sand Island offers a unique opportunity to immerse yourself in a remote and pristine environment, contributing to vital sea turtle conservation