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The Spanish Ornithological Society (in Spanish: Sociedad Española de Ornitología; SEO/BirdLife) is Spain's main bird conservation charity. It was founded in 1954 and has 8,000 members and 50 staff. It is Spain's representative in the BirdLife International partnership. The SEO has campaigned to get the central government to have all areas currently designated as Important Bird Areas to be given Special Protection Area status. It also collects bird data and recently published the Atlas of Breeding Birds of Spain, which covers the whole country and all breeding species recorded. This work took four years a year of writing and editing. More information...

According to PR-model, is ranked 34,998th in multilingual Wikipedia, in particular this website is ranked 3,468th in Spanish Wikipedia.

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