The small size and isolation of the endangered population of Southern Resident killer whales in the Pacific Northwest have led to high levels of inbreeding. This inbreeding has contributed to their ...

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 ...

Black footed cats are already a threatened species, and habitat fragmentation is now causing increased rates of interbreeding, placing them at higher risk of disease. When you purchase through links ...

"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.

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. SEATTLE (AP) — People have taken many steps ...

SEATTLE — A study released Monday found that a group of Southern Resident killer whales found off the west coast may be dying because of inbreeding, substantially impacting their lifespan. The study’s ...

"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 ...

This study was reported by Qifa Zhang and Yidan Ouyang’ group from the National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, China. Inbreeding depression is ...

Sharing the name of a legendary dwarf in J. R. R. Tolkien's classic fantasy novel "The Hobbit," a Neanderthal now known as Thorin wandered the Earth up to 42,000 years ago. Now a new study in the ...