Hanging in there: Koalas have low genetic diversity

A species relies on genetic diversity to survive and low diversity usually indicates that there has been inbreeding due to a decrease in population size. By looking at historic mitochondrial DNA (mtDNA) from museum samples, ...

Tracking koala disease: New findings from old DNA

(Phys.org)—DNA extracted from the skins of koalas displayed in European and North American museums shows that a retrovirus has been a problem for the animals for much longer than was thought, according to Alfred Roca, an ...

Australia to protect most vulnerable koalas

Australia moved on Monday to protect its most vulnerable koalas, listing the much-loved furry tree-dwellers as a threatened species in parts of the country.

Fears for koalas as study reveals 'marked decline'

Australia's much-loved koala is under increasing threat and should be considered a vulnerable species, an official report found Thursday, with habitat loss seeing their numbers plunge.

Koalas feel the heat

The Australian koala is vulnerable to climate change, with the iconic Australian marsupial's habitat likely to be restricted to the highly urbanised areas of eastern and southern Australia under a hotter and drier climate, ...

Aussie koala that survived fires dies in surgery

(AP) -- Sam the koala, who gained worldwide fame and sympathy when she was rescued during Australia's devastating wildfires this year, was euthanized Thursday after a veterinarian found the cysts that threatened her life ...

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