Dog
Dogs demonstrate extraordinary terrain versatility. The same Labrador Retriever that trots across suburban pavement can navigate forest trails, sandy beaches, snow-covered paths, and rocky hillsides without modification or accessory purchases. Four-wheel drive, as it were, comes standard.
Certain breeds have been specifically optimised for challenging environments. Siberian Huskies operate comfortably at minus 50 degrees Celsius. Rhodesian Ridgebacks evolved to track lions across African savannah. The Newfoundland possesses webbed feet for aquatic operations. No terrain upgrade packages or seasonal tyre changes are required.
Hoverboard
The hoverboard's terrain capabilities are best described as profoundly limited. Standard models require smooth, flat, dry surfaces to function. Grass defeats them. Gravel terrifies them. A single pebble at the wrong angle has launched countless riders into unscheduled dismounts.
Off-road variants exist, featuring larger wheels and suspension systems, but these achieve 'off-road' status only in the most generous interpretation of the term. They can manage packed dirt paths. They cannot manage mud, sand, snow, or surfaces with gradient exceeding 15 degrees. Rain transforms them into expensive paperweights with litigation potential.
VERDICT
Dogs operate across every terrain type on Earth. Hoverboards operate across carefully maintained indoor flooring and pristine pavements.