Scientists say too many turtles have turned female because of rising sea temperatures in the northern part of the Great Barrier Reef in Australia.
Almost all green sea turtles in the group of 200,000 that were included in a study turned female.
The sex of the turtle depends on temperatures during incubation and females turtles are more likely in warmer sands.
Experts are looking at creating cooler nesting areas where there is consideration being given to having artificial rain.
They say the artificial rain is going to cool the sand and shift the sex ratio towards an increase in males.
Putting tents on beaches is also being considered.
The study was carried out by the National Oceanic and Atmospheric Administration, California State University and Worldwide Fund for Nature Australia.
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