Has man’s best friend always been a friend? Ask the wolf. Dogs trace their history back to wild canines that man bred into loyal animals for working, hunting, and companionship. We’ll explore how this happened and wag our heads at the diversity of the result!

Originally released by Bellum Entertainment/Midori Entertainment, 2012. Streaming video file encoded with permission for digital streaming by Infobase on July 11, 2016.

What is a Dog? (4:23); --Lineage of Loyalty (3:58); -- Gentle Giants (4:17); -- Animal Facts (4:11); -- Differences in Breeds (3:30); -- Credits: Dog Days: Animal Atlas (1:18);.