Overview
The Cimarrón Uruguayo traces back to European dogs left behind by colonists that went feral, bred freely and were later tamed by ranchers who valued their toughness. It is a muscular, brindle or fawn dog with a broad head, bred to guard property, work cattle and hunt boar.
It is almost unseen in Britain. The temperament is confident, intelligent and devoted to its family, with a guarding instinct that makes it wary of strangers and occasionally assertive with other dogs. In the right hands it is steady and trainable; in the wrong hands it is a lot of dog.
Exercise and walking needs
An adult wants about ninety minutes a day, mixing a long walk with something that works the mind. They enjoy hiking, structured training and scent games, and they are strong enough to pull a cart or carry a pack where the owner is happy with that.
Keep hard impact low in young dogs. Big molossers grow slowly and their joints need protecting until they finish.
On the walk
- Strength: A forty kilo dog that leans into a lead will move you. Use a sturdy harness or a headcollar the owner has introduced, and never walk it on a flexi.
- Other dogs: Some are perfectly civil; others will not accept a challenge from another large dog. Avoid head-on approaches and keep it out of free play with unknown dogs.
- Strangers: Watchful but not usually reactive if the handler is relaxed. Your calm sets the dog's tone.
- Recall: Can be good with an owner it respects, but a new walker should not test it in the open. Build the relationship first.
Tips for professional walkers
- Do an introductory visit with the owner present before you take the dog out alone.
- Keep the dog beside you at gates, doorways and narrow paths rather than letting it lead the way.
- Plan routes that avoid busy dog parks until you know how it reads other dogs.
- Carry water and watch for heavy panting; the broad head holds heat on warm days.
What to ask the owner
- Has the dog ever shown aggression towards dogs or people, and what were the circumstances?
- What training cues does it know, and which does the owner rely on when things get tense?
- Is there any guarding behaviour around the car, the house door or the owner you should know about?