Indunil N. Pathirana, Chandana Rajapaksa, Noritoshi Kawate, Anuradha Wimalarathne, Lakshitha Fonseka, Priyangika Nilmini Weerakoon, Minhaj A. Hannan, Basil Alexander, Anil Pushpakumara, Siril ...

Once a year, adult male Asian and African elephants go through musth, or a period when their reproductive hormone levels—including testosterone—surge, and they act more aggressive and unpredictable.

Musth, a time of heightened testosterone levels and aggression in male elephants related to reproduction, has now been identified in woolly mammoth tusks. Remarkably, this is the first time hormones ...

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Traces of sex hormones extracted from a woolly mammoth's tusk provide the first direct evidence that adult males experienced musth, a testosterone-driven episode of heightened aggression against rival ...

The Oklahoma City Zoo and Botanical Garden’s Postdoctoral Fellow in Animal Behavior, Dr. Chase LaDue, led a study published in “Theriogenology Wild” about the range of changes in male Asian elephants ...

"Because musth is associated with dramatically elevated testosterone in modern elephants, it provides a starting point for assessing the feasibility of using hormones preserved in tusk growth records ...