Reef Snapshots - Islands & Cays
 One Tree Island is a vegetated sand cay. |
 Unvegetated cays are common on the Great Barrier Reef. (Swain Reefs) |
 Green Island is a coral cay near Cairns. |
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 Continental islands are often surrounded by fringing reefs. (Lizard Island) |
 Pipon Island is one of about 45 low-wooded islands, which are a special kind of cay only found north of Cairns. |
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