Source: Esin Üstün, via Flickr. Distributed under a CC BY 2.0 license. Decades of research have emphasized the importance of matriarchs in leading elephant herds. A herd, made up of related female ...

My colleagues, students, volunteers and I were at Mushara, a remote water source in Namibia’s Etosha National Park, to study the dynamics of an all-male society, bull elephant style. I’d been coming ...

Ali, a 34-year-old male bull elephant, underwent a tusk removal procedure — the equivalent of a cavity filling in humans Jacksonville Zoo and Gardens Ali the bull elephant, who used to reside at ...

The bull elephants gather in the evening coolness to drink. After a spell, a senior male lifts his head and turns from the waterhole. With ears flapping gently, he lets out a deep, resonant rumble.

Maddy has a degree in biochemistry from the University of York and specializes in reporting on health, medicine, and genetics. Maddy has a degree in biochemistry from the University of York and ...

Here are 10 animals that have some of the highest levels of testosterone and the impact it has on their behavior and characteristics.