Dugongs, turtles under threat on Great Barrier Reef
Populations of turtle and dugong, or seacow, are dropping drastically around Australia's Great Barrier Reef because of chemical runoff from farmland and overhunting by Aborigines, officials said.
Populations of turtle and dugong, or seacow, are dropping drastically around Australia's Great Barrier Reef because of chemical runoff from farmland and overhunting by Aborigines, officials said.