The Cão da Serra da Estrela, also known as the Estrela Mountain Dog, is an imposing shepherd dog from Portugal, whose impressive appearance is paired with a deeply rooted protective instinct. This ...

A new strain of ranavirus is currently causing mass mortality in several species of amphibian in the Serra da Estrela, the highest mountain range in continental Portugal. This infectious agent is ...

The Cão de Serra de Estrela, as this dog breed is known in its native Portugal, is an impressive livestock guardian dog. It bravely defends the herd against wolves and cattle thieves. Photo: Getty ...