As koalas in southern Australia have grown from a few hundred to almost half a million, the marsupials show signs of regaining lost genetic variation.

In 1995, panthers from Texas were introduced to the Sunshine State in an attempt to preserve the Florida panther population from inbreeding leading toward extinction. A new study shows that inbreeding ...

Currently, there are more than 157,100 species listed on the IUCN Red List, with more than 44,000 species threatened with extinction, including 41% of amphibians, 36% of reef building corals, 34% of ...

The population of Florida panthers has increased tenfold over the past 30 years, thanks to the introduction of pumas from Texas into the Everglades. Despite that outside DNA, new research finds ...

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