Hartebeest bucks spar in the dirt in Uganda's Murchison Falls National Park. Researchers have spent 100 years studying dominance hierarchies.
Credit
Michael Miller
Usage Restrictions
None
License
Original content
Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.