Lagoons of Los Oteros Nature · Matanza de los Oteros, Esla-Campos, León Image of Matanza de los Oteros, not of the place itself. Seasonal pools and wetlands among knolls and cereal moorland, included in the network of protected areas alongside the Oteros-Campos Special Protection Area for birds. They support a steppe birdlife now scarce on the meseta. Photo: Elmorodematanza (CC BY-SA 4.0) What to see and do in Matanza de los Oteros