Human activity appears to be making mountain lions in California more nocturnal. According to a new study published in the journal Biological Conservation, mountain lions in the greater Los Angeles ...

For several months in 1898, a pair of male lions turned the Tsavo region of Kenya into their own human hunting grounds, killing many construction workers who were building the Kenya-Uganda railway. A ...

Attacks by mountain lions are still incredibly rare, despite recent incidents. Humans are increasingly coming in contact with mountain lions, raising questions as to whether humans are to blame and ...

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California sea lion Ronan at UC Santa Cruz’s Long Marine Laboratory. (Photo by Colleen Reichmuth; NOAA/NMFS 23554) Animal research on biomusicality, which looks at whether different species are ...

Scientists have harnessed artificial intelligence to classify lion roars, a tool they say could help with lion conservation.