They are the best-known, biggest (up to 189 pounds, though 135 is typical), most numerous and strangest hyenas, and not just because of their sloping profile and demented "laugh"—a high-pitched ...

Recent studies have shown that hyenas possess a high degree of intelligence, comparable to that of primates. They exhibit problem-solving skills, social intelligence, and the ability to plan and ...

https://doi.org/10.1086/339199 • https://www.jstor.org/stable/10.1086/339199 ABSTRACT Genital masculinization in female spotted hyenas has been widely explained as ...