When it comes to love, a group of giraffes is keeping it in the family. It may be killing them. Biologists discovered alarmingly high levels of inbreeding among Masai giraffes, an endangered ...

More inbred individuals in two populations of eastern massasaugas have lower reproductive output and survival. Measures to restore genetic fitness to these populations may be needed to prevent local ...

"Fifty years from now, will there be Masai giraffes? I don't know. I think it's a 50/50 proposition," Douglas Cavener, who has published a new study on the risks facing the species, told Live Science.

"Of all the subspecies of reindeer found in the high north, the Svalbard reindeer has the most inbreeding and the lowest genetic diversity," says Nicolas Dussex, a postdoc at Norwegian University of ...