Fewer bird injuries due to Tjörn oil spill Published torsdag 3 november 2011 kl 17.40 Share The oil spill off the Tjörn coast in the west of Sweden in August was not as damaging to bird life as originally thought, according to news agency TT. Only around 20 birds were injured. Now the mild fall weather is aiding cleanup efforts. Health Our journalism is based on credibility and impartiality. Swedish Radio is independent and not affiliated to any political, religious, financial, public or private interests. Find out more about how we work (in Swedish).