The genome of a once-endangered songbird shows extensive signs of inbreeding, according to a new study. Because inbreeding can negatively impact survival and reproduction, the results could guide ...

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.

The breeding habitat of Kirtland's warblers is limited to young jack-pine forests in Michigan. The species nearly went extinct in the 1970s due to threatened habitat and nest parasitism, but ...

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 ...