Learn why prairie dogs are ecosystem engineers, how they communicate, and why they are vital to North American grasslands.

These charismatic, rabbit-size rodents live on North America's prairies and open grasslands in only a fraction of their former numbers. Prairie dogs live in underground burrows, extensive warrens of ...

"Within these calls, they can describe the physical features of the predator. They can describe the size and shape of an individual human and the color of clothes that he or she is wearing. They can ...