What are the class level characteristics for a lion?

Lions, classified as mammals in the class Mammalia, exhibit several key characteristics. They are warm-blooded, possess fur, and give live birth to their young, which they nurse with milk. Socially, they are unique among big cats for their pride structure, living in groups that often consist of related females, their cubs, and a small number of males. Additionally, lions have a complex communication system that includes vocalizations, body language, and scent marking.