No — Estrela Mountain Dogs are not aggressive by nature.They are serious guardian dogs with strong territorial instincts and the ability to escalate when a real threat is present. That distinction matters. Aggression is uncontrolled, indiscriminate behavior. Guardian behavior is context-dependent, judgment-based, and purposeful. This question comes up so often online because Estrelas do not […]

Estrela Mountain Dogs are serious livestock guardian dogs known for calm authority, strong territorial instincts, and real predator deterrence. This guide explains how Estrelas work, what environments they succeed in, how they compare to other LGDs, and what it takes to raise one correctly.