The combination of dogged field expeditions and machine learning algorithms has revealed that long-distance hyena calls feature signatures unique to individuals -- a form of caller ID distinct enough ...

As dusk begins cloaking the Maasai Mara grasslands of southwestern Kenya, a spotted hyena slinks beneath the woody umbrella that is the acacia tree. The carnivore pauses, its rounded ears cocking ...

This “hyena” has his ears perked up, hearing the noise from those who call him a weakness on the San Francisco 49ers. “I’m the youngest guy on the defense. I expected that [to be tested by teams]. But ...

Spotted hyenas giggling over an antelope spine. Courtesy BMC Ecology. For spotted hyenas, a laugh can speak volumes about an individual. Despite being portrayed as stupid scavengers who rely on the ...

Spotted hyenas giggling over an antelope spine. Courtesy BMC Ecology. For spotted hyenas, a laugh can speak volumes about an individual. Despite being portrayed as stupid scavengers who rely on the ...

The giggle call of a subordinate male hyena named Winnie (who was 14 years old at the time of the study) is more variable and tentative than the steady call of dominant animals. Disclaimer: AAAS and ...