Because of their fierce jaws, cunning hunting tactics and nocturnal nature, spotted hyenas aren't exactly known for tee-heeing the day away. So what do those spine-chilling peals of laughter mean?
WHAT'S INSIDE: MAMMALS
- Aquatic Mammals
- Hoofed Mammals
- Other Mammals
More To Explore
You Might Also Like
Around 65 million years ago is at the end of a time called the Cretaceous Period, life on Earth was in the midst of a great transformation. The emergence of primates marked a turning point in evolution. Learn about the origins of primates.
Deer is a hoofed animal, prized for centuries as game for food, sport is and commercial purposes.