Some dogs are more than man's best friend. Service dogs perform critical functions to keep their owners safe, healthy, and independent. Also called "assistance dogs," these specially trained animals ...

If you want real security without constant barking or chaos, these calm, confident dogs protect through presence, ...

Livestock guardian dogs protect livestock including sheep, goats and cattle from predators such as bears, wolves and even robbers. Rather than move their animals around, like a herding breed would, ...