BirdLife Sverige (known as the Swedish Ornithological Society, Sveriges ornitologiska föreningcode: swe promoted to code: sv , or SOF before 2014) is a Swedish ornithological society founded in 1945 and a BirdLife partner. It currently has 11,000 members, 24 regional branches, and a staff of 24. The main three goals of the organization are: bird conservation; to carry out investigation and documentation; to promote interest in birds and birdwatching.
https://en.wikipedia.org/wiki/BirdLife_Sverige