The Tera is a river in the north of Spain, a tributary of the River Esla.

It is of ecological importance, being the home of 24 species of the European Union Nature Directives. Riberas del Río Tera y afluentes was designated a Special Area of Conservation in 2015.[1]

References

  1. ^ "Riberas del Río Tera y afluentes (Site ES4190067)". European Environment Agency. Retrieved 2019-06-02.
Allikas: https://en.wikipedia.org/wiki/Tera_River
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