Are rottweilers and bernese mountain dogs related?

Rottweilers and Bernese Mountain Dogs are not directly related, but they do share a common ancestor. Both breeds descend from the Molossus, an ancient breed of large, powerful dogs used for guarding, herding, and fighting.

Here's a breakdown:

* Rottweilers: Their lineage traces back to ancient Roman war dogs used to herd cattle.

* Bernese Mountain Dogs: They were originally bred in the Bernese Oberland region of Switzerland for herding and farm work.

While they have a shared ancestry, they developed in separate regions with distinct purposes, leading to their unique physical and temperamental characteristics.