Sun Feb 20, 2011 6:36 pm
Horrified bird lovers demanded an urgent investigation last night after the mystery deaths of SIXTEEN swans in just six weeks. The unprecedented number of fatalities has wiped out around 30 per cent of the population along the River Avon in Stratford-upon-Avon. Now wildlife experts are calling for immediate tests on the dead bodies after raising fears that Bird Flu may be responsible.