A genomic study of the maneless Tsavo lions confirmed that they were likely siblings. Pictured: a pair of maneless lions living today in the Tsavo region.

I n 1898, a pair of maneless male lions began terrorizing crews building the Kenya-Uganda Railway, killing and eating dozens ...

An analysis of the lions' jaws revealed they likely suffered from painful dental injuries while alive, making it difficult for them to hunt and eat large prey. A Maneless Tsavo Lion moves across ...