When it comes to genetic diversity, the cutthroat blows all other trout out of the water. You’ll find them scattered across ...

If you're a player or DM jumping into the Humblewood campaign setting, here's what you need to know about the birdfolk ...

both species are divided into multiple "subspecies," or unique subgroups that may live in different regions and/or have slightly different traits. The lines between one species and another ...

These birds are one of the most common and widespread species on our planet. Currently, there are six subspecies of barn swallow each looking slightly different in some traits critical to the mate ...

Three giraffe subspecies should be added to the endangered species list, U.S. officials said ... Trade with the U.S. is not the main threat to the declining giraffe population, Fish and Wildlife ...

Although for years there’s been a consensus that there’s one species of giraffe with nine subspecies, evidence of genetic differences has emerged in recent years, suggesting that there are ...

Of the nine subspecies of tiger, three are already extinct; and the rest are considered endangered. The most common cause of the decline of a tiger species/subspecies is us human, whether from ...

Scientists have long wondered whether these two are unique populations of one species (Orcinus orca) or represent subspecies or fully separate species. Now genetic data from a study published ...

As species vanish at a rate not seen in 10 million ... as was the case with South Africa's zebra subspecies Quagga hunted to its end in the late 19th century - and more recently through activities ...