Estelas Islands Nature · Nigrán, Vigo, Pontevedra A Pontevedra archipelago facing the Monteferro peninsula, in Panxón, Nigrán, with well-preserved seabeds and colonies of birds of interest which led to its being declared a special conservation area in 2014. It is made up of two main islands -Estela de Terra, 29 metres high and 9.6 hectares, and Estela de Fóra, 20 metres and 7 hectares- besides the Serralleiras islets and other smaller rocks, all of rock covered with coastal scrub, some shrubs and low trees of mixed woodland. Among the birds present are the sandwich tern and the common tern, and migratory species such as the great cormorant or the yellow-legged gull; around the islands there is a shellfish bank. Photo: Luis Miguel Bugallo Sánchez (lmbuga) (CC BY-SA 3.0) What to see and do in Nigrán