Australian marine turtles
Six of the world’s seven species of marine turtle occur in Australian waters, including the:
• flatback turtle (Natator depressus)
• green turtle (Chelonia mydas)
• hawksbill turtle (Eretmochelys imbricata)
• leatherback turtle (Dermochelys coriacea)
• loggerhead turtle (Caretta caretta)
• olive ridley turtle (Lepidochelys olivacea)
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Marine turtles facts
Marine turtles ; Tortues marines (Fr); Tortugas marinas (Sp)
Cheloniidae / Dermochelyidae families
Open water and coasts
IUCN: from Data Deficient, Vulnerable, Endangered to Critically Endangered
Raine Island, in the northern Great Barrier Reef, is home to the world’s largest green turtle rookery, with an annual nesting population of 30,000 females. 2
In the southern Great Barrier Reef, a separate genetically distinct group of green turtles favours nesting sites in the Capricorn/Bunker group of islands, where annual populations are estimated at 8,000 females.
Loggerhead turtles breed and nest mainly in the southern Great Barrier Reef (Capricorn/Bunker group) and adjacent mainland near Bundaberg. These nesting beaches support the only significant population of the species in the South Pacific Ocean. However, numbers have declined since the 1970s from about 1,000 breeding females to a few hundred females and any increase in mortality poses a risk of extinction. 2
Our past olive ridley's tracking program
Read more on our past program on turtle conservation (archived)