Lions

Scientists extract DNA from hair embedded in the Tsavo lions' jaws that reveals the species of prey they ate while they were alive.

Ugandan lion brothers Jacob and Tibu were filmed swimming a mile across the Kazinga Channel in Uganda — the longest swim ever recorded for the species —after getting their "butts kicked" by rival males.

Lion manes are generally there to impress and intimidate — but not all males have them, and in some circumstances, lionesses are also known to sprout fuzzy facial hair.

An elderly lion in an Indiana zoo transmitted COVID-19 to the zookeepers who handfed the severely ill big cat. It is the first recorded time a zoo animal has passed the virus to a human.

An elderly female lion at the Topeka Zoo in Kansas has sprouted a mane. This phenomenon has only been seen a handful of times.

A mountain lion tweet by the Oklahoma Department of Wildlife Conservation led to a viral debate about pet ownership.

Conservation efforts are starting to pay off for unique tree-climbing lions in Uganda's Queen Elizabeth National Park, says one conservationist.

Researchers have analyzed the mummified bodies of two extinct Ice Age lion cubs in unprecedented detail.

The owner of the lions was a member of the organization that sets animal-welfare standards for lion breeding.