What are Africa’s big cats saying? Discover the meaning behind their roars, saws and chirps. Lions roar, leopards saw, and cheetahs chirp, but what are they really saying? "Big Cats Unleashed" decodes ...

This African lion is growing up and showing off his roar transformation. Pilipili is almost 3 years old and the oldest member of the bachelor pride at the Lincoln Park Zoo in Chicago. His little cub ...