Do hyenas really laugh?
The sound that hyenas make sounds very similar to human laughing. Listen here: http://www.georgetown.edu/faculty/ballc/animals/hyena.
Who thinks hyenas are scary? This book takes an in-depth look at hyenas, from how these fascinating creatures live and hunt to their relationship with human beings. Scary Creatures Hyenas is packed with facts written in an accessible question-and-answer format. Special x-ray pages enable readers to see how the internal structure of an animal corresponds to its external appearance. The book features startlingly realistic illustrations and impressive photographs. Informative captions, a complete glossary and an index make this title an ideal educational text.