A Size Comparison of Purebred Dogs
by Lori Dorn from Laughing Squid on (#6AH7D)
Animator WTD created an adorable 3D animation comparing the size of purebred dogs from smallest to largest (in height) using researched information. The animation also shows where the breed originates and how they compare in size to humans.
Height from Floor to Head
Here's a size comparison that also includes extinct breeds.
via Born In Space