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Battle of the water dragons

By AG STAFF • 6 March 2018

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Photographer Cameron Hines was at the right place at the right time to capture these two water dragons battling it out at Warriewood Wetlands on Sydney’s Northern Beaches.

Before species go extinct, their populations often shrink and become isolated. Healthy populations tend to have a large gene pool with many genetic variants circulating. But the path to extinction erodes genetic diversity, because a species’ gene pool shrinks as the population declines. Losing genetic diversity limits the ability of populations to adapt to threats such as disease and climate change.