bird flu was detected on bass rock. it could not have hit at a worse time. gannets, including chicks, died in their thousands. these images, taken before bird flu hit in 2020, and last year, show a dramatic reduction in the gannet population on bass rock. a year on, and we are headed back to bass rock with a team of scientists from edinburgh university, who are doing the first population survey of the gannets this year. in 2021, it was estimated there were 150,000 birds, 75,000 breeding pairs come here on the rock. experts say they have seen huge changes. experts say they have seen huge chantes. ,. , .,, changes. the scenery was completely changes. the scenery was completely covered - changes. the scenery was completely covered with l changes. the scenery was - completely covered with birds, gannets completely covered with birds, gannets everywhere, not breeding, but it wasjust