Hyenas’ Giggles Are Informative, Research FindsA new study finds hyenas’ giggles encode information about age, dominance and identity.SavePrint'GIVE ME THE FOOD': Two hyenas giggle over an antelope spine. Theunissen et al./BMC EcologyHelena Zhu4/4/2010|Updated: 10/1/2015We had a problem loading this article. Please enable javascript or use a different browser. If the issue persists, please visit our help center.